FOOTNOTES:

[1] The lottery tickets were included only by a divided court

(_Lottery Cases_, 188 U.S. 321) four judges emphatically dissenting.

The moral issue doubtless influenced a decision so difficult to

reconcile with other opinions of the court, which otherwise had held

regularly that commerce involves the physical movement of persons or

things and does not include the contractual relations between

citizens incident to commercial intercourse. Not all things

incidental to commerce are included in it, and it has been held that

the following are not included: bills of exchange (in 1850, _Nathan_

v. _Louisiana_, 8 _How._ 73), trade marks (in 1879, _trade mark

cases_, 100 _U.S._ 82), insurance (in 1869, _Paul_ v. _Virginia_, 8

_Wall._ 168), and manufacturing (in 1895, _U.S._ v. _Knight Co._, 156

_U.S._ 1). In the last-named case, which concerned a combination of

sugar refineries controlling a large proportion of the product of the

country, it was said that commerce succeeds manufacture and is not a

part of it. The relation of the manufacturer to interstate and

foreign commerce being thus only incidental and indirect, the

business is subject to state control. By a series of decisions the

transportation of persons has been decided to be commerce. (In 1848,

_passenger cases_, 7 _How._ 283. In 1867, _Crandall_ v. _Nevada_ 6,

_Wall._ 35. In 1875, _Henderson_ v. the _Mayor of New York_, _92

U.S._ 259, &c.).

[2] The question arose with reference to the police power of the

state in those states prohibiting the liquor traffic, and in 1889 it

was held (Leisy _v._ Hardin) that, in the absence of legislation by

Congress, the right to sell goods taken into a state was

unrestricted. This made it impossible for a state to exclude the

importation of liquors to be sold within its territory, but this

difficulty was remedied by the Wilson Original Package Bill of 1890,

which made liquor subject to the police powers of the state to which

it was carried.

[3] However, a very important distinction is drawn between taxing the

commerce and taxing property employed in commerce. With the increase

of interstate commerce, the states have been hard pushed to find

sources of revenue adequate to their increasing needs. The courts,

therefore, have sought to draw a line between taxes on the privilege

of carrying on interstate commerce and taxes on the property employed

in carrying on such commerce as a part of the general body of

property in the state. Thus it has been held in the case of _State

Freight Tax_ (1872, 15 _Wall._ 232) that a state could not lay a tax

on freight transported from one state to another, and yet the same

year the court held in _State Tax on Gross Receipts_ (15 _Wall._ 284)

that a tax was valid when laid upon the receipts of railways

organized under the laws of the state, as upon a fund which had

become incorporated with the general mass of property. This latter

decision was by a divided court (three of the nine judges

dissenting), but it has since been frequently confirmed. The tax on

gross receipts of all railway companies doing business in the state

has been supported when levied in proportion to the mileage within as

compared with the total within and without the state (_Erie Ry._ v.

_Pa._, 21 _Wall._ 492). This so-called "unit rule," as applied either

to gross receipts or to the entire value of an interstate railway,

has been upheld in a number of decisions. The method of taxation by

gross receipts, however, has not tended to increase of late, but the

unit rule, as applied to _ad valorem_ taxes on property, is more and

more being applied. Every case involving the distinction between a

tax on commerce and a tax on property employed in commerce presents

its own difficulties, yet a practical way is thus found to prevent

discriminating action by the several states, while leaving to them

adequate sources of revenue.

[4] 1873, _State Freight Tax_, 15 _Wall._ 232; 1887, _Robbins_ v.

_Shelby County Taxing District_, 120 _U.S._ 489; _Wabash R. R.

Company_ v. _Illinois_, 118 _U.S._ 557. The last-named case arose out

of the attempts of the state of Illinois to prevent discrimination

between two shippers, both being its own citizens and within its own

borders, one of whom was being charged more than the other for a

shorter shipment on the same line and in the same direction, from a

point outside the state. The court, applying the established

definition of interstate commerce with verbal formality of logic,

decided that the state could do nothing, for even in such a case all

regulation of interstate commerce, from the beginning to the end of a

shipment, was confided to Congress exclusively. Thus a clause whose

clear purpose was to prevent one state from burdening unequally the

citizens of other states was successfully invoked by a private

corporation to forbid the state securing equality of treatment for

its own citizens as regards such parts of shipments as lay within its

own borders. Most railway traffic was by this decision declared to be

subject to legislation by Congress but Congress had not acted. The

impossibility of this situation was so evident that the Interstate

Commerce Act, long under discussion, became a law a few months later.

[5] This was probably aimed at the discriminating between New York

and Philadelphia (see speech of Charles Sumner on the railroad

usurpation of New Jersey in U.S. Senate, February 14, 1865).

[6] In the Northern Securities case, Justice Brewer, who had

concurred in the opinion in the Trans-Missouri Freight Association

case, took occasion to say that while he still believed the former

case had been correctly decided, he thought that the reasons given

for the judgment were in some respects faulty, and that the ruling

should have been that the contracts there considered were

unreasonable restraints and as such were forbidden by the act.

INTERVAL, a space left between the component parts of a continuous

series, a pause in continuous action, a period of time intervening

between two other points of time or chronological sequence of events.

The Lat. _intervallum_, from which the English word has come through the

French, originally meant a space between the palisades on a rampart

(_vallum_), or between the rampart and the tents of the legionaries. In

medical language "interval" is used of the intervening periods between

attacks or paroxysms of a disease, particularly of the periods of a

rational or normal condition of mind sometimes experienced by an insane

person, a "lucid interval"; this phrase frequently occurs in legal

documents from the 13th to the 15th centuries, _non compos mentis sed

gaudet lucidis intervallis_. In music "interval" expresses the distance

in pitch between two or more musical sounds (see MUSIC). Interval, or

more commonly "intervale," is used, particularly in North America, as a

geographical term for a low-lying tract of land along the banks of

rivers, frequently overflowed by freshets, or more loosely for any low

level land shut in by hills. This particular application, as also the

form "intervale," is due to a confusion of the termination of the word

with "vale," valley.

INTESTACY (Lat. _intestatus_, one who has not made a will, from testari,

to bear witness), the condition of the property of a person who dies

without making a will. Here the law of England distinguishes sharply

between his real and his personal property. The devolution of the former

is regulated by the rules of inheritance (q.v.). The destination of the

latter is marked out by the Statute of Distributions. The proper

conditions of a testamentary disposition of property will be found under

the heading Will.

The distribution of an intestate's personal property is carried out

under the authority of administrators, whose duties are generally the

same as those of executors under a will. Administration was until 1857 a

matter cognizable by the ecclesiastical courts, and the ordinary was in

fact the administrator until the passing of an act of Edward III. for

administration upon intestacy (1357). An earlier statute (Westminster 2,

1275), directed against the abuses of the system, required the ordinary,

instead of applying the residue of the estate to "pious uses," to pay

the debts of the intestate. The act of Edward III. went further in

providing that "in case where a man dieth intestate, the ordinaries

shall depute of the next and most lawful friends of the dead person

intestate to administer his goods," with power to sue for debts due to

the deceased, and under obligation to pay debts due by him, and to

answer to the ordinary like executors in the case of testament.

Administrators remained on this footing of deputies appointed by the

ordinary until the Probate Act 1857 transferred the jurisdiction in

administration of the ecclesiastical courts to the new court of probate.

The courts of law having held that by the grant of administration the

authority of the ecclesiastical courts was exhausted, the administrator

became entitled to the privilege, similar to that formerly enjoyed by

the ordinary, of dealing as he pleased with residue of the property. The

next of kin of the same degree of relationship to the deceased were thus

aggrieved by the preference of the administrator, and it was to remedy

this grievance that the Statute of Distributions 1670/1 was passed. It

empowered the ordinary to take a bond from the administrator binding him

to make a fair and complete distribution of the property among the next

of kin. Such distribution is to be in the following manner: one-third to

the wife of the intestate, and all the residue by equal portions to and

amongst the children, and their representatives if any of such children

be dead, exclusive of children who shall have any estate by the

settlement of the intestate, or shall be advanced by the intestate in

his lifetime by portions equal to the shares allotted to the other

children under the distribution. If such advancement should be less than

the share of the other children in distribution, then it shall be made

equal thereto. But the "heir-at-law, notwithstanding any land that he

shall have by descent or otherwise from the intestate, is to have an

equal part in distribution with the rest of the children" (S 5). By S 6,

if there be no children nor any legal representatives of children, one

moiety of the property is to be allotted to the wife of the intestate,

the residue "to be distributed equally to any of the next of kindred of

the intestate who are equal in degree and those who legally represent

them." By S 7 there shall "be no representation admitted among

collaterals after brothers' and sisters' children; and in case there be

no wife, then all the said estate to be distributed equally to and among

the children; and in case there be no child, then to the next of kindred

in equal degree of or unto the intestate and their legal representatives

as aforesaid, and in no other manner whatsoever." For the protection of

creditors it is enacted that there shall be no distribution till a full

year after the intestate's death, and if any debts should be discovered

after distribution, the persons sharing the estate shall refund the

amount of the same ratably. With reference to the above rules the

following points may be observed: (1) The husband's absolute right to

administer his wife's estate is not affected by the act. This was made

clear by a later act of the same reign. (The Statute of Frauds 1677).

Administration is now granted to the representatives of the husband

where he has died without taking out administration to his wife, unless

it can be shown that the wife's next of kin are beneficially interested.

(2) The widow, in the event of there being no children or next of kin,

takes only her half. The other half goes to the crown. The widow's

rights, however, have been enlarged by the Intestate Estates Act 1890.

By this act where a man dies wholly intestate and without issue, his

property, both real and personal, shall, if it does not exceed L500 in

net value, belong to his widow absolutely. If the estate exceeds L500

net, the widow is entitled to L500 out of the estate and has a charge

for that amount upon the real and personal property of the deceased. (3)

The child or children take equally, two-thirds if the widow be alive,

and the whole if she be dead. If some of the children be alive and some

dead having issue, then such issue will take their parents' share

equally among themselves. There has been some difference of opinion as

to whether if all the children have predeceased their parent but have

left issue, such grandchildren take as between themselves _per stirpes_

as representatives of their parent or _per capita_ as next of kin. Thus

if A and B predecease their father but A leaves three children and B

one, should the property be divided into fourths, or first into moieties

and then one moiety subdivided into thirds among A's children and the

other moiety be given undivided to B's child? It is now settled that the

latter method of distribution is the correct one, and it is thought that

this will also apply when only great-grandchildren are alive. (4) The

next of kin must be ascertained according to the rules of consanguinity,

which are the same in English as in the civil law. Degree is calculated

from the intestate, through the common ancestor if any, to the kindred.

Thus from son to father is one degree, to grandfather two degrees, to

brother two degrees, to uncle three degrees, and so on. The statute

ordains distribution to be made "to the next of kindred in equal degrees

_pro suo cuique jure_, according to the laws in such cases and the rules

and limitations hereafter set down." Equality in degree is therefore not

in all cases accompanied by equality in rights of succession. Neglecting

the cases of wife and children already noticed, the father excludes all

other next of kin. So would a mother, in default of a father surviving,

but an act of 1685 enacted that in such a case the brothers and sisters,

and children of brothers and sisters, of the intestate should share

equally with the mother. In the absence of brothers or sisters and their

representatives, the mother in the case supposed would take the whole.

Mothers-in-law and stepmothers are not within the rules of

consanguinity. As between a brother and a grandfather who are both in

the second degree, preference is given to the brother; but a

grandfather, being in the second degree, will exclude an uncle, who is

in the third. An uncle and a nephew, both being in the third degree,

take together. Brothers or sisters of the half blood take equally with

brothers and sisters of the whole blood. The rule which prohibits

representation after brothers' and sisters' children would, in a case

where the next of kin were uncles or nephews, wholly exclude the

children of a deceased uncle or nephew. Also, as between the son of a

brother and the grandson of a brother, the latter would not be admitted

by representation. Where a brother and the children of a deceased

brother are the next of kin, they will take _per stirpes_, i.e. the

brother will take one half, and the children of the other brother will

take the other half between them. When the next of kin are all children

of the deceased brothers or sisters, they will take equally _per

capita_. Subject to these modifications, the personal property will be

divided equally among the next of kin of equal degree, e.g.

great-grandfathers would share with uncles or aunts, as being in the

third degree. Failing next of kin, under these rules, the estate goes to

the crown as _ultimus haeres_, a result which is more likely to happen

in the case of illegitimate persons than in any other.

Personal or movable property takes its legal character from the domicile

of the owner, and the distribution of an intestate's goods is therefore

regulated by the law of the country in which the intestate was

domiciled. A domiciled Scotsman, for example, dies intestate in England,

leaving personal property in England; the administrator appointed by the

court of probate will be bound to distribute the property according to

the Scots rules of succession.

In the law of Scotland the free movable estate of the intestate is

divided amongst the nearest of kin, the full blood excluding the half

blood, and neither mother nor maternal relations being originally

admitted. The heir of the heritable (i.e. real) property if one of the

next of kin must collate with the next of kin if he wishes to share in

the movables. Proximity of kin is reckoned in the same order as in the

case of inheritance. The Intestate Movable Succession Act 1855 among

other changes allows the issue of a predeceasing next of kin to come

in the place of their parent in succession to an intestate, gives the

father of an intestate dying without issue one-half of the movable

property in preference to brothers and sisters, and to the mother if

the father be dead a similar preference to the extent of one-third,

and admits brothers and sisters uterine in the absence of brothers and

sisters german or consanguinean.

In the United States the English Statute of Distribution has been taken

as the basis of the law for the distribution of personal property in

intestacy, and its principles have been applied to real property also.

"In a majority of the states the descent of real and personal property

is to the same persons and in the same proportions, and the regulation

is the same in substance as the English Statute of Distribution. In

Georgia the real and personal property of the intestate is considered as

altogether of the same nature and upon the same footing." There are many

states, however, in which the distribution differs materially from the

English statute. In Illinois the distribution is the same as descent of

real property. In Alabama the whole goes to the widow if there are no

children (_Phillips_ v. _Lawing_, 1907, 43 Southern Rep. 494). In many

states the husband's share is in all cases like the widow's, as in

Texas, New York and Washington. In Pennsylvania he takes an equal share

with the children.

The statutes of each state of the American union must be consulted, as

no general rules can be laid down. As to the right to the intestate's

interest in community property in the states where the law of

"community"--of "acquets and gains"--prevails, see INHERITANCE.

INTESTINAL OBSTRUCTION (_Ilius_), in surgery, a condition in which the

onward passage of the faeces is prevented. It is often associated with

phenomena due to strangulation of the gut, leading to gangrene, and with

systemic poisoning due to the absorption of toxins, resulting from the

decomposition of the retained faeces. Intestinal obstruction may be

conveniently divided into acute and chronic.

_Acute Intestinal Obstruction_ forms one of the most urgent of surgical

emergencies. The following are its chief causes: (1) strangulation by

bands or adhesions or through apertures; (2) volvulus; (3) the impaction

of foreign bodies; (4) acute intussusception; (5) strangulation over a

band or acute kinking of the gut; (6) the termination supervening on

chronic obstruction; (7) congenital malformations of the intestines.

[Illustration: FIG. 1.--Diagram to show how Strangulation by a Band may

take place.]

_Strangulation by Bands or Adhesions or through Apertures._--These

terms are applied to obstruction by constricting bands within the

abdomen. These may be the result of the stretching of old inflammatory

adhesions, the result of former peritonitis. These bands are commonly

situated between different parts of the mesentery or between the

mesentery and another organ such as the appendix. Two methods of

producing strangulation exist; in the first the bowel passes under an

arch or loop formed by some short constricting band and cannot return,

or if the band is long it may form a noose in which the bowel is

strangled (fig. 1); in the second the remains of a foetal structure

(Meckel's diverticulum) becoming adherent to some other organ may

ensnare the intestine in the loop. A coil of intestine may also slip

into a hole in the mesentery or omentum or find its way into a pouch

of peritoneum, forming what is known as an internal hernia. The onset

of symptoms is sudden and abrupt. The patient is seized with acute

abdominal pain associated with collapse. The pain is usually referred

to the region of the umbilicus; this localization, however, is no

guide to the situation of the lesion. Vomiting is early and

persistent, generally assuming a faecal character between the second

and the ninth day. There is no obvious tumour; constipation is

present, the abdominal walls are flaccid at first, but if no relief is

obtained become tender when peritonitis ensues. This form of

obstruction is most frequent in young people, and there is usually a

history of previous peritonitis. In cases not treated by operation the

average duration is five to seven days, and death takes place from

exhaustion or from toxaemia following peritonitis.

[Illustration: FIG. 2.--Diagram to show how Volvulus may take place.]

_Volvulus_ means a torsion or twisting of the gut. There are two chief

varieties: (1) in which the bowel is twisted upon its mesenteric axis

(fig. 2); (2) in which it is wound round another coil of intestine.

The sigmoid flexure is the situation in which volvulus most commonly

takes place, but it may occur in the caecum and small intestine. When

once present, plastic peritonitis fixes the coil in position and the

blood supply becomes obstructed. Volvulus is generally preceded by a

history of chronic constipation. The acute symptoms start abruptly and

are similar to those of internal strangulation, but the pain at first

is more intermittent in type. There is usually early tenderness over

the spot and constipation is absolute. Much distress is occasioned by

abdominal distension from flatus, which develops with remarkable

rapidity. The swelling is localized at first. Spontaneous natural cure

is unknown, and without surgical interference death is inevitable.

_Impacted Foreign Bodies._--Gall-stones may cause obstruction when

they are of large size. These gall-stones when lodged in the intestine

may there be enlarged by subsequent accretion. Leichenstern describes

such a stone with a circumference of 5 in., and Sir F. Treves removed

from the intestine of an old lady a calculus, the large size of which

was due to layers of magnesia, the patient having taken carbonate of

magnesia daily for many years. Gall-stones may give rise to

intermittent sub-acute attacks of incomplete obstruction and finally

give rise to an acute attack accompanied by severe pain and vomiting,

which is constant and early becomes faecal. The abdomen is soft and

flaccid and the affected coil is rarely to be felt. The symptoms vary

with the situation of the obstruction and are generally more urgent

the nearer to the duodenum. Foreign bodies that have been swallowed by

accident or otherwise may give rise to obstruction, though

extraordinary objects, as knives, coins, pipes, flints, &c. swallowed

by jugglers, are known to have passed by rectum without injury. In

cases where the foreign body lodges in the intestine the caecum and

duodenum are favourite situations for obstruction. In the museum of

the Royal College of Surgeons is a specimen in which the duodenum is

blocked by a mass of pins weighing nearly a pound. Foreign bodies may

remain weeks or months in situ before giving rise to serious symptoms,

the progress of the larger substances being marked by temporary

obstruction. In a case quoted by Duchaussoy the obstructing mass

consisted of over 700 cherry stones. The diagnosis of obstruction by

foreign bodies has been much simplified since the introduction of the

X-rays. Enteroliths may themselves cause obstruction. They may consist

of masses of indigestible vegetable material matted together with

faeces and mucous. In Scotland they are frequently found to consist of

husks of coarse oatmeal (aenoliths). In thin persons large enteroliths

and foreign bodies may be palpable. The symptoms are those similar to

obstruction by a large gall-stone.

[Illustration: FIG. 3.--Diagram to show how an Intussusception takes

place.]

_Acute Intussusception_ forms about 30% of all cases of intestinal

obstruction, and is the most common variety found in children. More

than 50% of the cases are found during the first ten years of life,

and half that amount in babies under one year; the large preponderance

is in males. By intussusception is meant an invagination or protrusion

of a part of the intestine in the lumen of the intestine immediately

below it; the lower part of the intestine may be said to have

swallowed that immediately above it. The mesentery attached to the

upper portion is necessarily dragged in with it. The condition may be

seen by referring to the diagram (fig. 3). The invaginated portion is

termed the _intussusceptum_, and the lower portion which it enters is

known as the _intussuscipiens_. It is to the constriction of the

vessels in the entering mesentery and later to their possible complete

obstruction that are due the late serious phenomena of

intussusception, e.g. gangrene or rupture of the gut. Peritonitis also

ensues, and by the formation of adhesions between the serous coats of

the entering and returning parts leads to irreducibility of the

intussusception. A cure occasionally ensues from spontaneous reduction

of the invagination, or again permanent stenosis of the intestine may

result from the adhesion of the opposed surfaces, or the occurrence of

gangrene may lead to perforation of the intestine with acute septic

peritonitis. Occasionally when there is no perforation adherence takes

place between the segments, and the gangrenous portion sloughs off and

is discharged by the rectum. The cause of intussusception is said to

be violent peristaltic action, however produced. Polypoid tumours or

masses of worms, or masses of irritating ingesta, are said to lead to

its occurrence. X. Dolore and R. Leriche contend that the primary

factor is congenital mobility of the caecum. They state that in 48% of

foeti the caecum is mobile in half, fixation gradually going on; while

in 8.5% of adults it retains its mobility. They thus endeavour to

account for the fact that in 300 collected cases 204 occurred in

children less than one year old. Intussusception is met with in four

chief situations: (a) the ileo-caecal, which is said to be the most

frequent, constituting 44% of all cases (Treves); (b) the enteric

variety, involving the small intestine; (c) the colic form; (d) the

ileo-colic, the ileum being invaginated through the ileo-caecal valve.

Intussusception may be acute or chronic, sometimes lasting

intermittently for years. The acute form is the most common. In young

children an attack occurs with severe pain, at first paroxysmal but

later continuous; vomiting is less early and less continuous than in

strangulation by bands, and diarrhoea tenesmus, much straining and the

passage of blood mucus from the anus are common. Collapse soon

supervenes. Early in the case the abdomen is but little distended, and

in about half the cases a distinct tumour can be felt. In some cases

the invaginated gut may be felt protruding through the sphincter.

Chronic intussusception occurs more frequently in adults than in

children; the symptoms may resemble chronic enteritis and be so masked

that the nature of the illness remains undiagnosed until an acute

attack supervenes, or the patient succumbs to the diarrhoea, vomiting

and haemorrhage.

_Congenital Malformations of the Intestines._--Cases have been

recorded in which the small intestine ended in a blind pouch.

Imperforate anus is a fairly frequent occurrence in young infants, but

attention is usually called to the condition. Partial strictures of

the intestine, if the stricture be not too narrow, may pass unnoticed

for years, and final complete obstruction may result from a blockage

of the stricture by some foreign substance such as a plug of hard

faecal matter or a fruit stone.

_Treatment of Acute Intestinal Obstruction._--Early diagnosis and

early laparotomy are essential, and it is important to operate before

the patient is poisoned by the absorption of toxins from the bowel. To

administer purgatives is worse than useless. Of massage and abdominal

taxis Sir F. Treves says: "These are to be condemned, as they may

rupture the already moribund bowel and make effective a threatened

perforation. These measures are for the most part feeble excuses for

avoiding or delaying the operation." The operation may be undertaken

in one or two stages, and includes the opening and evacuation of the

distended intestines and the search for and reduction or removal of

the obstruction.

_Chronic Intestinal Obstruction._--The causes of chronic obstruction are

very numerous, and may be divided into the following groups: (1)

intra-intestinal conditions, i.e. the impaction of foreign bodies and

impaction of faeces; (2) affections of the intestinal wall such as

stricture, new growths in the intestine, particularly those of a

malignant type, adhesions or matting together of the intestines from

peritonitis or kinking of the gut from disease of the mesenteric glands;

(3) chronic intussusception; (4) compression of the bowel by a tumour or

bands developing outside the intestine. Of these the commonest are

malignant growths and faecal impaction.

The general symptoms of chronic obstruction are more or less alike. The

patient is attacked with gradually increasing constipation, which may

alternate with diarrhoea which is generally set up by the irritation of

the retained faeces. In obstruction due to malignant growths the

character of the motions is changed, they become scybalous, pipe-like or

flattened. The abdomen becomes distended, and at intervals severe

symptoms may supervene, consisting of pain and vomiting with complete

constipation owing to some temporary complete obstruction. The attacks

usually pass off, and relief may be obtained naturally or by the

administration of a purgative, but they have a tendency to recur and in

malignant disease to increase to complete obstruction. Finally a seizure

may persist and take on all the characters of an acute attack, and death

may supervene from exhaustion, perforation or peritonitis, unless

immediately treated. When it arises from simple stricture no tumour is

to be felt, but in malignant disease the tumour may be frequently

palpated, unless during an acute attack when the abdomen is much

distended with gas.

_Faecal Impaction_ is not uncommon in adult females who have suffered

from chronic constipation. The common seat of the blockage is in the

colon, chiefly in the sigmoid flexure and in the rectum, but it may

occur in the caecum. The accumulation may form a doughy tumour which

in parts may be nodular and intensely hard. The causes are due to the

state of the contents of the bowel itself, to congenital or acquired

weakness and diminished expulsive power of the bowel, or to painful

affections of the anus, fissures, piles and painful bladder

affections. The acute symptoms are always preceded by a prolonged

period of malaise; the breath is offensive and the tongue foul, and

the temperature may be raised from the absorption of toxins. Faecal

impaction requires the regular and repeated administration of large

enemata, given through a long tube, together with the administration

of calomel and belladonna. Large impacted masses in the rectum may be

broken up and removed by a scoop.

_Strictures of the Intestinal Wall._--Simple strictures are

infrequent, and are dealt with by the operation of lateral

anastomosis. They follow dysenteric or tuberculous ulceration or the

passage of gall-stones. Stricture due to carcinoma of the intestinal

wall occurs usually in the old or middle-aged, and the symptoms come

on insidiously. As soon as the condition is diagnosed an attempt

should be made to remove the tumour if freely movable, or if this is

not possible to afford relief by short-circuiting the intestine or by

colotomy.

_Chronic Intussusception_ has been frequently mistaken in the

diagnosis for rectal polypus, cancer, tuberculous peritonitis, &c.

(Treves). If diagnosed it may be reduced by inflation with air, but

frequently too many adhesions are present for this to be possible, and

laparotomy with excision of the mass should be undertaken; the results

are said to be very encouraging.

Compression of the bowel due to a tumour or bands external to the

bowel may occasionally give rise to obstruction. An exploratory

operation should be undertaken for the excision of the tumour, or the

separation of adhesions and release of the bowel, or if the intestines

are much matted together by peritonitis an intestinal anastomosis may

give relief. Obstruction due to paralysis of the muscular coat of the

intestine has been described (adynamic obstruction), but its existence

is a subject of dispute. (H. L. H.)

INTESTINE (Lat. _intestinus_, internal, usually in neuter plural

_intestina_, from _intus_, within), in anatomy, the lower part of the

alimentary canal; in man and mammals divided into the smaller

intestine, from the pylorus to the iliocaecal valve, and the larger,

reaching from the caecum and colon to the end of the rectum. The word is

frequently applied to the whole of the alimentary canal in

invertebrates. (See ALIMENTARY CANAL.)

INTOXICATION (Lat. _toxicare_, _intoxicare_, to smear with poison,

_toxicum_, an adaptation of Gr. [Greek: toxikon], sc. [Greek:

pharmakon], a poison smeared on arrows; [Greek: toxon], bow), poisoning,

or the action of poisons, whether of drugs, bacterial products, or other

toxic substances, and hence the condition resulting from such poisoning,

particularly the disorder of the nervous system produced by excessive

drinking of alcohol (see INEBRIETY and DRUNKENNESS).

INTRA, a town of Piedmont, Italy, in the province of Novara, on the W.

shore of Lake Maggiore, 685 ft. above sea-level, 12 m. N. of Arona by

steamer. Pop. (1901) 6924. It is situated between two torrents, which

afford water-power for cotton and silk mills, hat factories, foundries,

&c.; these chiefly belong to Swiss proprietors, who have fine villas

with beautiful gardens. The church is a large edifice of 1708-1751.

INTRADOS (a French term, Lat. _intra_, within, Fr. _dos_, back), in

architecture, the under-curved surface or soffit of an arch (q.v.).

INTRANSIGENT (adopted from the Fr. _intransigeant_, taken, through the

Spanish _intransigente_, from the Lat. _in_, not, and _transigere_, to

come to an understanding), one whose attitude is that of an

irreconcilable. The term is used chiefly of politicians of an advanced

type; those in complete antagonism to the existing form of government;

but is especially applied on the continent of Europe to members of

legislatures holding extreme Radical views. In this sense the word was

first used in the political troubles which arose in Spain in the years

1873-1874. Intransigentism implies an attitude of uncompromising

disagreement with political opponents. The word is also used

non-politically, in the sense of intractability and intolerance.

INTRINSIC (through Fr. _intrinsique_, from Lat. _intrinsecus_, inwardly;

_inter_, within, _secus_, following, from root of _sequi_, to follow),

an adjective originally applied to something internal or inside another,

but now ordinarily used to express a quality inherent in or inseparable

from a person, thing or abstract conception. In anatomy the term is,

however, still used of a muscle which has both its origin and insertion

in the organ in which it is found.

INTROSPECTION (from Lat. _introspicere_, to look within), in psychology,

the process of examining the operations of one's own mind with a view to

discovering the laws which govern psychic processes. The introspective

method has been adopted by psychologists from the earliest times, more

especially by Hobbes, Locke, Berkeley, Hume, and English psychologists

of the earlier school. It possesses the advantage that the individual

has fuller knowledge of his own mind than that of any other person, and

is able therefore to observe its action more accurately under systematic

tests. On the other hand it has the obvious weakness that in the total

content of the psychic state under examination there must be taken into

account the consciousness that the test is in progress. This

consciousness necessarily arouses the attention, and may divert it to

such an extent that the test as such has little value. Such

psychological problems as those connected with the emotions and their

physical concomitants are especially defective in the introspective

method; the fact that one is looking forward to a shock prepared in

advance constitutes at once an abnormal psychic state, just as a nervous

person's heart will beat faster when awaiting a doctor's diagnosis. The

purely introspective method has of course always been supplemented by

the comparison of similar psychic states in other persons, and in modern

psycho-physiology it is of comparatively minor importance.

See PSYCHOLOGY, ATTENTION, &c.; a clear statement will be found in G.

F. Stout's _Manual of Psychology_ (1898), i. 14.

INTUITION (from Lat. _intueri_, to look at), in philosophy, a term

applied to immediate or direct apprehension. The truth of a theorem in

geometry is demonstrated by a more or less elaborate series of

arguments. This is not the case, according to the intuitionalist school

of philosophy, with the apprehension of universal principles, which

present themselves as necessarily true in their own right, without any

sort of proof. The fact that things which are equal to the same things

are equal to one another is apprehended directly or immediately without

demonstration. Similarly in ethics the intuitional school holds that the

principles of right and wrong are immediately apprehended without

reference to any other criterion and without any appeal to experience.

Ethical intuitionalism sometimes goes even farther, and holds that the

conscience when faced with any particular action at once assigns to it a

definite moral value. Such a view presupposes that the moral quality of

an action has, as it were, concrete reality which the special faculty of

conscience immediately recognizes, much in the same way as a barometer

records atmospheric pressure. The intuitionalist view is attacked mainly

on the ground that it is false to the facts of experience, and it is

maintained that many of the so-called immediate a priori judgments are

in point of fact the result of forgotten processes of reasoning, and

therefore a posteriori. Minor grounds of attack are found in the

difficulty of discovering in certain primitive peoples any intuitive

conception of right and wrong, and in the great differences which exist

between moral systems in different countries and ages.

INULIN (C6H10O5)(x), in chemistry, a starch-like carbohydrate, known

also as alantin, menyanthin, dahlin, synanthrin and sinistrin. It occurs

in many plants of the large genus _Compositae_, to which the elicampane

(Lat. _inula_) belongs; and forms a white tasteless powder, sparingly

soluble in cold water, very soluble in hot water and insoluble in

alcohol. It is not coloured blue by iodine; and it reduces ammoniacal

silver and gold solutions, but not Fehling's solution. Heated with water

or dilute acids, it is converted into laevulose.

INVAR, an alloy of nickel and steel, characterized by an extremely small

coefficient of thermal expansion; it is specially useful in the

construction of pendulums and of geodetic measuring apparatus, in fact,

in all mechanical devices where it is an advantage to avoid temperature

compensation. The name was chosen as expressing the invariability of its

dimensions with heat. (See CLOCK; GEODESY.)

INVARIABLE PLANE, in celestial mechanics (see ASTRONOMY), that plane on

which the sum of the moments of momentum of all the bodies which make up

a system is a maximum. It derives its celebrity from the demonstration

by Laplace that to whatever mutual actions all the bodies of a system

may be subjected, the position of this plane remains invariable.

A conception of it may be reached in the following way. Suppose that

from the centre of gravity of the solar system (instead of which we

may, if we choose, take the centre of the sun), lines or radii

vectores be drawn to every body of the solar system. As the planet

revolves around the centre, each radius vector describes a surface of

which the area swept over in a unit of time measures the areal

velocity of the planet. The constancy of this velocity in the case of

the sun and a single planet is formulated in Kepler's second law. Next

pass any plane through the centre of motion and project the area just

defined upon that plane. We shall thus have a projected areal

velocity, the product of which by the mass of the planet is the moment

of momentum of the latter. Form this product for every body or mass of

matter in the system, and the sum of the moments is then invariable

whatever be the direction of the plane of projection. In the case of a

single body revolving around the sun this plane is that of its orbit.

When all the bodies of the system are taken into account, the

invariable plane is a certain mean among the planes of all the orbits.

In the case of the solar system the moment of Jupiter is so

preponderant that the position of the invariable plane does not

deviate much from that of the orbit of Jupiter. The influence of

Saturn comes next in determining it, that of all the other planets is

much smaller. The latest computation of the position of this plane is

by T. J. J. See, whose result for the position of the invariable plane

is inclination to ecliptic 1 deg. 35' 7".74, longitude of node on

ecliptic 106 deg. 8' 46".7 (Eq. 1850).

INVENTORY (post-class. Lat. _inventarium_, a list or repertory, from

_invenire_ to find), a detailed list, schedule or enumeration in

writing, of goods and chattels, credits and debts, and sometimes also of

lands and tenements.

(i) In law, perhaps its earliest, and certainly its most important use

has been in connexion with the doctrine of "benefit of inventory,"

derived by many legal systems from the _beneficium inventarii_ of Roman

law, according to which an heir might enter on his ancestor's

inheritance without being liable for the debts attaching to it or to the

claims of legatees beyond the value--previously ascertained by

"inventory"--of the estate. The benefit of inventory exists in Scots

law, in France (_benefice d'inventaire_), in Italy, Mauritius (_Civil

Code_, Art. 774), Quebec (_Civil Code_, Art. 660), St Lucia (_Civil

Code_, Art. 585), Louisiana (_Civil Code_, Arts. 1025 et seq.), and

under the Roman Dutch law in Ceylon. In South Africa benefit of

inventory is superseded by local legislation.

(ii.) In many systems of law, the duty is imposed on executors and

administrators of making an "inventory" of the estate of the testator or

intestate, in order to secure the property to the persons entitled to

it. In England this duty was created by statute in 1529. In modern

practice an inventory is not made unless called for, but the court may

order it _ex officio_, and will do so on the application of any really

interested party. Similar provisions for an inventory of the estate of

deceased persons are made in Scots law (Probate and Legacy Duties Act

1808 (s. 38), and Executors (Scotland) Act 1900 (s. 5), and in most of

the British colonies. In Scotland, prior to the Finance Act 1894 (which

imposed a tax, called "estate duty," on the principal value of all

property, heritable or movable, passing on death), the stamp duty on

movable property was termed "inventory duty."

In the United States, the duty of preparing an inventory is generally

imposed on executors and administrators; see Kent, _Commentaries on

American Law_ (new ed., 1896), ii. 414, 415; and cf. Gen. Stats. of

Connecticut, 1888, s. 578; New York Stats. s. 2714; New Jersey

(Orphans Court, s. 58).

(iii.) An analogous duty of preparing an "inventory" is imposed in many

countries on guardians and curators. In Scotland judicial factors are

charged with a similar statutory duty (Act of Sederunt, Nov. 25th, 1857,

under the Bankruptcy (Scotland) Act 1856) as regards the estate of

insolvent debtors.

(iv.) In Scots law, the term "inventory" is also applied to a list of

documents made up for any purpose, e.g. the _inventory of process_ or

the _inventory of documents_, in an action, and the _inventory of

title-deeds_ produced on a judicial sale of lands.

(v.) In England an "inventory" of the personal chattels comprised in the

security is required to be annexed to a bill of sale (Bills of Sale Act

1882, s. 5). See also EXECUTORS AND ADMINISTRATORS.

INVERARAY, a royal and municipal burgh, the county town of Argyllshire,

Scotland. Pop. (1901) 1369. It lies on the southern shore of a bay,

where the river Aray enters Loch Fyne, 40 m. directly N.W. of Glasgow,

and 85 m. by water. The town consists of one street running east and

west, and a row of houses facing the bay. Near the church stands an

obelisk in memory of the Campbells who were hanged, untried, for their

share in the Argyll expedition of 1685 in connexion with the duke of

Monmouth's rebellion. The ancient market-cross, 8 ft. high, supposed to

have been brought from Iona in 1472, is a beautiful specimen of the

Scottish sculptured stones. The chief industry is the herring fishery,

the herring of Loch Fyne being celebrated. The town originally stood on

the north side of the bay, clustering round the ancient baronial hold,

attributed to Sir Colin Campbell of Lochow, "the Singular," who

flourished at the end of the 14th century, but it was removed to its

present site in the middle of the 18th century. Inveraray was erected

into a burgh of barony in 1472; and Charles I., while a prisoner in

Carisbrooke Castle, raised it to a royal burgh in 1648. Much has been

done for it by the ducal house of Argyll, whose seat, Inveraray Castle,

is about 1 m. from the town. This handsome square structure, built

between 1744 and 1761 from designs by Robert Adam, consists of two

storeys, with a round overtopping tower at each corner. Some fine

tapestry and valuable relics were destroyed by fire in 1877, but the

damage to the castle was repaired in 1880. The earls and dukes of Argyll

were great planters of trees--mainly larch, spruce, silver fir and New

England pines--and their estates around Inveraray are consequently

among the most luxuriantly wooded in the Highlands. Duniquoich, a

finely timbered conical hill about 900 ft. high, adjoins the castle on

the north and is a picturesque landmark.

INVERCARGILL, the chief town of Southland county, South Island, New

Zealand, 139 m. by rail S.W. by W. from Dunedin. Pop. (1906) 7299. It

lies on a deep estuary of the south coast named New River Harbour, which

receives several streams famous for trout-fishing. It is the centre of

the large grazing and farming district of Southland; and has a number of

factories, including breweries, foundries, woollen mills and

timber-works. The plan of the town is rectangular, with wide streets;

and there is a fine open reserve. The harbour is deep and well

sheltered, but the greater part of the trade passes through the

neighbouring Bluff Harbour, on which is Campbelltown, 17 m. S. of

Invercargill by rail. Bluff Harbour is the port of call and departure

for steamers for Melbourne and Hobart. Exports are wool, preserved meat

and timber. The district of Southland was surveyed in 1841, but was

reported unfavourable, and settlement was delayed till 1857. Southland

was a separate province between 1860 and 1870, but, failing financially

as such, rejoined the parent province of Otago. Invercargill became a

municipality in 1871, and there are five suburban municipalities. The

town is the regular starting-point of a journey to the famous lakes

Wakatipu and Te Anau, which are approached by rail.

INVERELL, a town of Gough county, New South Wales, Australia, on the

Macintyre river, 341 m. N. of Sydney, with which it is connected by

rail. Pop. (1901) 3293. It is the centre of a prosperous agricultural

district producing, chiefly, wheat and maize; the vine is also largely

grown and excellent wine is made. Silver, tin and diamond mines are

worked near the town. Inverell became a municipality in 1872.

INVERKEITHING, a royal and police burgh of Fifeshire, Scotland. Pop.

(1901) 1676. It is situated on an inner bay of the shore of the Firth of

Forth, 3(1/2) m. S.E. of Dunfermline and 13(1/4) m. N.W. of Edinburgh by

the North British railway, via the Forth Bridge. The chief industries

are tanning, shipbuilding, milling, paper-making, rope-making and

brick-making. With Stirling, Dunfermline, Culross and Queensferry,

Inverkeithing returns one member to parliament (the Stirling district

burghs). It received its charter from David I. St Peter's, the parish

church, dates from the 12th century, but having been nearly destroyed by

fire was rebuilt in 1826 in the Gothic style, the ancient tower,

however, being preserved. Sir Samuel Greig, the father of the Russian

navy and designer of the fortifications at Cronstadt, was born at

Inverkeithing in 1735. About half-way towards Dunfermline the battle of

Inverkeithing or Pitreavie took place on the 20th of July 1650, when

Cromwell's forces defeated the Royalists. A mile and a half to the south

lies NORTH QUEENSFERRY (pop. 594), the first railway station on the

north side of the Forth Bridge. A little to the west lies the bay of ST

MARGARET'S HOPE, which in 1903 was acquired by the government as the

site for the naval base of Rosyth, so named from the neighbouring ruined

castle of ROSYTH, once the residence of Queen Margaret, wife of Malcolm

Canmore. On the west side of the Forth Bridge, in the fairway, lies the

rocky islet of BIMAR with a lighthouse, and immediately to the east is

the island of INCHGARVIE (Gaelic, "the rough island"), which once

contained a castle used as a State prison, the ruins of which were

removed to make way for one of the piers of the Forth Bridge.

INVERNESS, a royal, municipal and police burgh, seaport and county town

of Inverness-shire, Scotland. Pop. (1891), 19,303; (1901) 21,238. It

lies on both banks, though principally on the right, of the Ness; and is

118 m. N. of Perth by the Highland railway. Owing to its situation at

the north-eastern extremity of Glen More, the beauty of its environment

and its fine buildings, it is held to be the capital of the Highlands;

and throughout the summer it is the headquarters of an immense tourist

traffic. The present castle, designed by William Burn (1789-1870), dates

from 1835, and is a picturesque structure effectively placed on a hill

by the river's side; it contains the court and county offices. Of the

churches, the High or Parish church has a square tower surmounted with

a steeple, containing one of the bells which Cromwell removed from

Fortrose cathedral. On the left bank of the river stands St Andrew's

Episcopal Cathedral, in the Decorated Gothic, erected in 1866 from

designs by Dr Alexander Ross. Among the schools are the High School, the

collegiate school, the school of science and art, and the Royal Academy,

incorporated by royal charter in 1792. Other public buildings are the

museum, public library, observatory, the northern infirmary, the

district asylum, an imposing structure at the base of Dunain Hill (940

ft.), the Northern Counties Blind Institute, the Highland Orphanage and

the Town Hall, opened in 1882. In front of the last stands the Forbes

Memorial Fountain, and near it is the old town cross of 1685, at the

foot of which, protected since the great fire of 1411, is the

lozenge-shaped stone called Clach-na-Cudain (Stone of the Tubs), from

its having served as a resting-place for women carrying water from the

river. The old gaol spire, slightly twisted by the earthquake of 1816,

serves as a belfry for the town clock. Half a mile to the west of the

Ness is the hill of Tomnahurich (Gaelic, "The Hill of the Fairies"),

upon which is one of the most beautifully-situated cemeteries in Great

Britain. The open spaces in the town include Victoria park, Maggot Green

and the ground where the Northern Meeting--the most important athletic

gathering in Scotland--is held at the end of September. Inverness is the

great distributing centre for the Highlands. Its industries, however,

are not extensive, and consist mainly of tweed (tartan) manufactures,

brewing, distilling, tanning, soap and candle-making; there are also

nurseries, iron-foundries, saw-mills, granite works, and the shops of

the Highland Railway Company. There is some shipbuilding and a

considerable trade with Aberdeen, Leith, London and the east coast

generally, and by means of the Caledonian Canal with Glasgow, Liverpool

and Ireland. The Caledonian Canal passes within 1 m. of the town on its

western side. In Muirtown Basin are wharves for the loading and

unloading of vessels, and at Clachnaharry the Canal enters Beauly Firth.

There is little anchorage in the Ness, but at Kessock on the left bank

of the river-mouth, where there are piers, a breakwater and a coastguard

station, there are several acres of deep water. The river at Inverness

is crossed by four bridges, two of them for pedestrians only, and a

railway viaduct. The town, which is governed by a provost, bailies and

council, unites with Forres, Fortrose and Nairn (Inverness Burghs) in

sending one member to parliament.

Inverness was one of the chief strongholds of the Picts, and in 565 was

visited by Columba with the intention of converting the Pictish king

Brude, who is supposed to have resided in the vitrified fort on Craig

Phadrick (550 ft.), 1(1/2) m. W. of the town. The castle is said to have

been built by Malcolm Canmore, after he had razed to the ground the

castle in which Macbeth according to tradition murdered Duncan, and

which stood on a hill 1/2 m. to the north-east. William the Lion (d. 1214)

granted the town four charters, by one of which it was created a royal

burgh. Of the Dominican abbey founded by Alexander III. in 1233 hardly a

trace remains. On his way to the battle of Harlaw in 1411 Donald of the

Isles burned the town, and sixteen years later James I. held a

parliament in the castle to which the northern chieftains were summoned,

of whom three were executed for asserting an independent sovereignty. In

1562, during the progress undertaken to suppress Huntly's insurrection,

Queen Mary was denied admittance into the castle by the governor, who

belonged to the earl's faction, and whom she afterwards therefor caused

to be hanged. The house in which she lived meanwhile stands in Bridge

Street. Beyond the northern limits of the town Cromwell built a fort

capable of accommodating 1000 men, but with the exception of a portion

of the ramparts it was demolished at the Restoration. In 1715 the

Jacobites occupied the royal fortress as barracks, and in 1746 they blew

it up.

INVERNESS-SHIRE, a highland county of Scotland, bounded N. by Ross and

Cromarty, and the Beauly and Moray Firths, N.E. by the shires of Nairn

and Elgin, E. by Banff and Aberdeen shires, S.E. by Perthshire, S. by

Argyllshire and W. by the Atlantic. It includes the Outer Hebrides

south of the northern boundary of Harris, and several of the Inner

Hebrides (see HEBRIDES) and is the largest shire in Scotland. It

occupies an area of 2,695,037 acres, or 4211 sq. m., of which more than

one-third belongs to the islands. The county comprises the districts of

Moidart, Arisaig and Morar in the S.W., Knoydart in the W., Lochaber in

the S., Badenoch in the S.E. and the Aird in the N. Excepting

comparatively small and fertile tracts in the N. on both sides of the

river Ness, in several of the glens and on the shores of some of the sea

lochs, the county is wild and mountainous in the extreme and

characterized by beautiful and in certain respects sublime scenery.

There are more than fifty mountains exceeding 3000 ft. in height, among

them Ben Nevis (4406), the highest mountain in the British Isles, the

extraordinary assemblage of peaks forming the Monadhliadh mountains in

the S.E., Ben Alder (3757) in the S., and the grand group of the

Cairngorms on the confines of the shires of Aberdeen and Banff.

In the north-west the Beauly river (16 m. long) is formed by the

confluence of the Farrar and the Glass. The Enrick (18 m.), rising in

Loch-nan-Eun, takes a north-easterly direction for several miles, and

then flowing due east falls into Loch Ness, just beyond Drumnadrochit,

close to the ruined keep of Castle Urquhart. The Ness (7 m.), a fine

stream for its length, emerges from Loch Dochfour and enters the sea to

the north of Inverness. The Moriston (19 m.), flows out of Loch Clunie,

and pursuing a course E. by N.E. falls into Loch Ness 4 m. south of

Mealfourvounie (2284 ft.) on the western shore opposite Foyers. The

Lochy (9 m.), issuing from the loch of that name, runs parallel with the

Caledonian Canal and enters Loch Linnhe at Fort William. The Spean (18

m.), flowing westwards from Loch Laggan, joins the Lochy as it leaves

Loch Lochy. The Nevis (12 m.), rising at the back of Ben Nevis, flows

round the southern base of the mountain and then running north-westwards

enters Loch Linnhe at Fort William. The Leven (12 m.), draining a series

of small lochs to the north-west of Rannoch, flows westward to Loch

Leven, forming during its course the boundary between the shires of

Inverness and Argyll. The Dulnain (28 m.), rising in the Monadhliath

Mountains, flows north-eastwards and enters the Spey near Grantown,

falling in its course nearly 2000 ft. The Truim (15(1/2) m.), rising

close to the Perthshire frontier, flows N.N.E. into the Spey. Three

great rivers spring in Inverness-shire, but finish their course in other

counties. These are the Spey, which for the first 60 m. of its course

belongs to the shire; the Findhorn (70 m.), rising in the Monadhliath

Mountains a few miles N.W. of the source of the Dulnain; and the Nairn

(38 m.), rising within a few miles of Loch Farraline. The two falls of

Foyers--the upper of 40 ft., the lower of 165 ft.--are celebrated for

their beauty, but their volume is affected, especially in drought, by

the withdrawal of water for the works of the British Aluminium Company,

which are driven by electric power derived from the river Foyers, the

intake being situated above the falls. Other noted falls are Moral on

the Enrick and Kilmorack on the Beauly.

The number of hill tarns and little lakes is very great, considerably

more than 200 being named. Loch Ness, the most beautiful and best known

of the larger lakes, is 22(1/2) m. long, 1(3/4) m. broad at its widest

point (Urquhart Bay), has a drainage area of 696 m., and, owing to its

vast depth (751 ft.), uniformity of temperature, and continual movement

of its waters, never freezes. It is the largest body of fresh water in

Great Britain, and forms part of the scheme of the Caledonian Canal. A

few miles S.W. is Loch Oich (4 m. long), also utilized for the purposes

of the Canal, which reaches its summit level (105 ft.) in this lake. To

the S.W. of it is Loch Lochy (9(1/2) m.), which is also a portion of the

Canal. Loch Arkaig (12 m.) lies in the country of the Camerons,

Achnacarry House, the seat of Lochiel, the chief of the clan, being

situated on the river Arkaig near the point where it issues from the

lake. The old castle was burnt down by the duke of Cumberland, but a few

ruins remain. After Culloden Prince Charles Edward found shelter in a

cave in the "Black Mile," as the road between Lochs Arkaig and Lochy is

called. Loch Quoich (6 m.) lies N. by W. of Loch Arkaig, and Loch Garry

(4(1/2) m.) a few miles to the N.E.; Loch Morar (11(1/2) m. long by

1(1/2) broad) is only about 600 yds. from the sea, to which it drains by

the river Morar, which falls over a rocky barrier, at the foot of which

is a famous salmon pool. The loch is 1017 ft. deep and is thus the

deepest lake in the United Kingdom. It contains several islands, on one

of which Lord Lovat was captured in 1746. Loch Laggan (7 m.) and Loch

Treig (5(1/2) m.) in the south of the county are both finely situated in

the midst of natural forests. The principal salt-water lochs on the

Atlantic seaboard are Loch Hourn ("Hell's Lake," so named from the wild

precipices rising sheer from the water), running inland for 14 m. from

the Sound of Sleat and separating Glenelg from Knoydart; and Loch Nevis

(14 m.), a few miles farther south.

The parallel roads of Glen Roy, a glen with a north-easterly to

south-westerly trend, a few miles east of Loch Lochy, presented a

problem that long exercised the minds of geologists. At heights of 1148

ft., 1067 ft. and 835 ft., there run uninterruptedly along each side of

the glen terraces of a width varying from 3 to 30 ft. Local tradition

ascribes them to the Ossianic heroes, and John Playfair (1748-1819)

argued that they were aqueducts. The fact that they occur also in the

neighbouring Glen Gloy and Glen Spean, however, disposes of an

artificial origin. John MacCulloch (1773-1835) propounded the theory

that they were lacustrine and not marine, and Agassiz followed him with

the suggestion that the water had been held up by a barrier of glacier

ice. This view is now generally accepted, and the roads may therefore be

regarded as the gently sloping banks of lakes dammed up by glacier ice.

Glen More-nan-Albin, or the Great Glen, is a vast "fault," or

dislocation, 62 m. in length, through which Thomas Telford constructed

(1804-1822) the Caledonian Canal connecting Loch Linnhe and the Moray

Firth. Glen More is said to be liable to shocks of earthquake, and Loch

Ness was violently agitated at the time of the great Lisbon earthquake

(1755).

Among the glens renowned for beauty are Glen Urquhart and Glen Moriston

to the west of Loch Ness, Glen Feshie in the east, and Glen Nevis at the

southern base of Ben Nevis. Glen Garry, to the west of Loch Oich, gave

its name to the well-known cap or "bonnet" worn both in the Highlands

and Lowlands. In Glen Finnan, at the head of Loch Shiel, Prince Charles

Edward raised his standard in 1745, an incident commemorated by a

monument erected in 1815 by Alexander Macdonald of Glenaladale. The

great straths or valleys are in the north and east, the chief among them

being Strathfarrar, Strathglass and Strathnairn, and the heads of

Strathearn and Strathspey.

_Geology._--Almost the entire area of this county is occupied by the

younger Highland schists and metamorphic rocks. East of Loch Ericht

and the rivers Traim and Spey as far as Airemore and between there and

Duthel there are quartzites and quartzose schists; on the remaining

area the various kinds of schistose and gneissose rock have hardly

been worked out in detail. Granite masses occur in numerous isolated

patches; the largest is on the eastern boundary and includes the

flanks of Cairn Gorm, Cairn Tout, Braeriach, Carn Ban and Meall

Tisnail. Other smaller ones are found at Ben Nevis, where the lower

part of the mountain is granite, the upper part porphyritic felsite;

between Moy and Ben Buidhe Mhor; E. of Foyers, including Whitebridge,

Aberchalder and Loch Farraline; at Ben Alder, W. of Loch Ericht and

another between that loch and the river Pattack; at Banavie on the W.

of the river Lochy; around the upper end of Loch Clunie and at several

other places. The dioritic mass of Rannoch Moor just enters this

county between Loch Ericht and Loch Ossian.

The Old Red Sandstone extends into this county from Nairn through

Culloden Moor past Inverness and down Loch Ness to a point south of

Foyers; it occurs also on the south-east side of Loch Oich, and around

Beauly, where it forms the falls of Kilmorach. These rocks consist at

the base of coarse breccias and conglomerates passing upwards into

chocolate-coloured sandstone and flags, with the shaly series

containing limestone nodules known as the fish bed from the abundance

and importance of its fossil contents; it is well exposed in the Big

Burn and near Loch Ashie. At a higher horizon come more purple flags

and grits. The Great Glen which traverses the county is an old line of

earth fracture along which displacements have been produced during

more than one geological period. Roches moutonnees, glacial striations

and moraines and other evidences of the great Ice age are abundant,

besides the parallel roads of Glen Roy to which allusion has already

been made. The lowest of these terraces is prolonged into Glen Spean.

At numerous places on the coasts the remains of old marine terraces

occur at 100 ft. and 25 ft. above the sea.

Of the small isles belonging to Inverness-shire those of Rum and Eigg

are of the greatest interest. The northern part of Rum is made of

Torridonian rocks, shales below and red sandstones above; altogether

over 10,000 ft. are visible. These rocks have suffered thrusting and

the shales are thus made in places to overlie the sandstones. A few

patches of Torridonian occur in the south. Tertiary peridotites in

laccolitic masses cover a large area in the south of the island and

form the highest ground. These are penetrated by eucrites and gabbros,

followed later by granites; and the whole has been subsequently

crushed into a complex gneissose mass. Still later, dolerite sills and

sheets and dikes of granophyre and quartz felsite followed in the same

region. Eigg is mainly built of great basaltic lava flows with

intrusions of doleritic rocks; these were succeeded by more acid

intrusions, and again by a more basic series of dikes. Pitchstones

occur among the later rocks. The Sgurr is capped by a thick intrusion

of pitchstone. Jurassic rocks, including the Estuarine Lower Oolite

sandstones, shales and limestones and Middle Oolite Oxfordian rocks

are found in the north of this island; there is also a small trace of

Upper Cretaceous sandstone. Canna, Sanday and Muck are almost wholly

basaltic; a small patch of Jurassic occurs on the south of the

last-named island. (See also SKYE.)

_Forests and Fauna._--Deer forests occupy an enormous area, particularly

in the west, in the centre, in the south and south-east and in Skye.

From the number of trees found in peat bogs, the county must once have

been thickly covered with wood. Strathspey is still celebrated for its

forests, and the natural woods on Loch Arkaig, in Glen Garry, Glen

Moriston, Strathglass and Strathfarrar, and at the head of Loch Sheil,

are extensive. The forests consist chiefly of oak, Scotch fir, birch,

ash, mountain-ash (rowan), holly, elm, hazel and Scots poplar, but there

are also great plantations of larch, spruce, silver fir, beech and

plane. Part of the ancient Caledonian forest extends for several miles

near the Perthshire boundary. Red and roe deer, the Alpine and common

hare, black game and ptarmigan, grouse and pheasant abound on the moors

and woodlands. Foxes and wild cats occur, and otters are met with in the

lakes and streams. There are also eagles, hawks and owls, while great

flocks of waterfowl, particularly swans, resort to Loch Inch and other

lakes in Badenoch. Many of the rivers and several of the lochs abound

with salmon and trout, the salmon fisheries of the Beauly, Ness and

Lochy yielding a substantial return.

_Climate and Agriculture._--Rain is heavy and frequent in the mountains,

but slighter towards the northern coast; the fall for the year varying

from 73.17 in. at Fort William to 43.17 in. at Fort Augustus, and 26.53

in. at Inverness. The mean temperature for the year is 47.2 deg. F., for

January 38.5 deg. and for August 58 deg. Although since 1852 the

cultivated area has increased greatly, actually the percentage of land

under crops is still small. The Aird and Beauly districts, some of the

straths and several of the glens are fertile. Oats are the predominant

crop, barley is grown (mostly for the distilleries), but the wheat

acreage is trifling. Of green crops turnips do well in certain

districts, artificial manures being extensively used. In those quarters

where the soil is dry, potatoes are successfully raised. An immense

number of the holdings are crofts averaging 5 acres or under. About 50%

are between 5 acres and 50; but few are above 50. The operations of the

Crofters' Commission (1886) have been beneficial in a variety of ways.

Not only have rentals been reduced considerably and arrears cancelled,

but the increased sense of security resulting from the granting of fair

rentals, fixity of tenure and compensation for disturbance has induced

tenants to reclaim waste land, to enlarge their holdings and to apply

themselves more thriftily and with greater enterprise and intelligence

to the development of their farms. On the large holdings the most modern

methods of husbandry are followed, the farm buildings are excellent and

the implements up-to-date. The hills furnish good pastures. The flocks

of sheep are exceptionally heavy, the chief varieties on the uplands

being Cheviots and black-faced and in some of the lower districts

Leicesters and half-breeds. Of the cattle the principal breed is the

Highland, the largest and best herds of which are in the Western Isles.

Polled and shorthorns are also reared, and Ayrshires are kept for dairy

purposes. Great numbers of the hardy Highland ponies are raised on the

hill farms, and the breed of agricultural horses was improved by the

introduction of Clydesdale stallions. Where pigs are reared they appear

to be kept, especially amongst the crofters, for domestic consumption.

_Industries._--Manufactures are few. Indeed, excepting the industries

carried on in Inverness, they are almost entirely confined to

distilling--at Fort William, Kingussie, Carbost, Muir of Ord and some

other places--brewing, woollens (especially tartans, plaids and rough

tweeds), milling and (at Kirktown near Inverness) artificial manures.

The catering for the wants of thousands of sportsmen and tourists,

however, provides employment for a large number of persons, and has led

to the opening of hotels even in the remotest regions. The fisheries, on

the other hand, are of great value, especially to the Hebrideans. The

kelp industry has died out.

_Communications._--Owing to its physical character communication by rail

is somewhat restricted, but the Highland railway enters the shire from

the south near Dalwhinnie and runs to Inverness via Aviemore and Daviot.

Another portion of the same system also reaches the county town from

Nairnshire. The Dingwall and Skye railway passes along the southern

shore of Beauly Firth. In the south-west the West Highland railway

(North British) enters the county 2 m. N.W. of Rannoch station and

terminates at Mallaig, via Fort William and Banavie, sending off at

Spean Bridge a branch to Fort Augustus. There is also communication by

steamer with the piers of the Caledonian Canal and with the Western

Isles, and a considerable amount of shipping reaches Beauly and

Inverness by way of Moray Firth. Coaches supplement rail and steamer at

various points.

_Population and Government._--The population was 90,121 in 1891, and

90,104 in 1901, when 43,281 persons spoke Gaelic and English, and 11,722

Gaelic only. The only considerable towns are Inverness (pop. in 1901,

23,066) and Fort William (2087). The county returns one member to

parliament, but the county town, along with Forres, Fortrose and Nairn,

belongs to the Inverness district group of parliamentary burghs.

Inverness forms a sheriffdom with Elgin and Nairn, and there are

resident sheriffs-substitute at Inverness, Fort William, Portree and

Lochmaddy. The county is under school-board jurisdiction, and there are

voluntary schools (mostly Roman Catholic) in several places. The

secondary schools in Inverness and some in the county earn grants for

higher education. The town council of Inverness subsidizes the burgh

technical and art school. At Fort Augustus is a well-known collegiate

institution for the education of the sons of well-to-do Roman Catholics.

_History._--To the north of the boundary hills of the present counties

of Argyll and Perth (beyond which the Romans attempted no occupation)

the country was occupied by the Picts, the true Caledonians. The

territory was afterwards called the province of Moray, and extended from

the Spey and Loch Lochy to Caithness. These limits it retained until the

17th century, when Caithness (in 1617), Sutherland (in 1633) and

Ross-shire (in 1661) were successively detached. Towards the end of the

6th century Columba undertook the conversion of the Picts, himself

baptizing their king, Brude, at Inverness; but paganism died hard and

tribal wars prevented progress. In the 11th century, after the death of

Duncan, Scotland was divided between Macbeth and the Norwegian leader

Thorfinn, who took for his share the land peopled by the northern Picts.

Malcolm Canmore, avenging his father, defeated and slew Macbeth (1057),

and at a later date reduced the country and annexed it to the kingdom of

Scotland. In 1107, when the bishopric of Moray was founded, the

influence of the Church was beginning to effect some improvement in

manners. Nevertheless, a condition of insurrection supervened until the

reign of David I., when colonists of noble birth were settled in various

parts of the shire. After the battle of Largs (1263) the Norse yoke was

thrown off. In 1303 Edward I.'s expedition to Scotland passed through

the northern districts, his army laying siege to Urquhart and Beaufort

castles. After the plantation the clan system gradually developed and

attained in the shire its fullest power and splendour. The Frasers

occupied the Aird and the district around Beauly; the Chisholms the

Urquhart country; the Grants the Spey; the Camerons the land to the west

and south of Loch Lochy (Locheil); the Chattan--comprising several septs

such as the Macphersons, Mackintoshes, Farquharsons and

Davidsons--Badenoch; the Macdonalds of the Isles Lochaber; the

Clanranald Macdonalds Moidart, Knoydart, Morar, Arisaig and Glengarry;

and the Macleods Skye. Unfortunately the proud and fiery chieftains were

seldom quiet. The clans were constantly fighting each other,

occasionally varying their warfare by rebellion against the sovereign.

In many quarters the Protestant movement made no headway, the clansmen

remaining steadfast to the older creed. At the era of the Covenant,

Montrose conducted a vigorous campaign in the interests of the

Royalists, gaining a brilliant victory at Inverlochy (1645), but the

effects of his crusade were speedily neutralized by the equally masterly

strategy of Cromwell. Next Episcopacy appeared to be securing a

foothold, until Viscount Dundee fell at Killiecrankie, that battle being

followed by a defeat of the Highlanders at Cromdale in 1690. The futile

rising headed by Mar in 1715 led to a combined effort to hold the clans

in check. Forts were constructed at Inverness, Kilchumin (Fort Augustus)

and Kilmallie (Fort William); Wade's famous roads--exhibiting at many

points notable examples of engineering--enabled the king's soldiers

rapidly to scour the country, and general disarming was required. Prince

Charles Edward's attempt in 1745 had the effect of bringing most of the

clans together for a while; but the clan system was broken up after his

failure and escape. Heritable jurisdictions were abolished. Even the

wearing of the Highland dress was proscribed. The effects of this policy

were soon evident. Many of the chieftains became embarrassed, their

estates were sold, and the glensfolk, impoverished but high-spirited,

sought homes in Canada and the United States. As time passed and passion

abated, the proposal was made to raise several Highland regiments for

the British army. It was entertained with surprising favour, and among

the regiments then enrolled were the 79th Cameron Highlanders. With the

closing of the chapter of the Jacobite romance the shire gradually

settled down to peaceful pursuits.

The county in parts is rich in antiquarian remains. Stone axes and other

weapons or tools have been dug up in the peat, and prehistoric jewelry

has also been found. Lake dwellings occur in Loch Lundy in Glengarry and

on Loch Beauly, and stone circles are numerous, as at Inches, Clava, and

in the valley of the Ness. Pictish towers or brochs are met with in

Glenbeg (Glenelg), and duns (forts) in the Aird and to the west and

south-west of Beauly and elsewhere. Among vitrified forts the principal

are those on Craig Phadrick, Dundbhairdghall in Glen Nevis, Dun Fionn or

Fingal's fort on the Beauly, near Kilmorack, Achterawe in Glengarry and

in Arisaig.

See J. Cameron Lees, _History of the County of Inverness_ (Edinburgh,

1897); C. Fraser-Mackintosh, _Letters of Two Centuries_ (Inverness,

1890); Alexander Mackenzie, _Histories of the Mackenzies_, Camerons,

&c. (Inverness, 1874-1896); A. Stewart, _Nether Lochaber_ (Edinburgh,

1883); Alexander Carmichael, "Grazing and Agrestic Customs of the

Outer Hebrides" (_Crofters' Commission Report_, 1884).

INVERSION (Lat. _invertere_, to turn about), in chemistry, the name

given to the hydrolysis of cane sugar into a mixture of glucose and

fructose (invert sugar); it was chosen because the operation was

attended by a change from dextro-rotation of polarized light to a

laevo-rotation. In mathematics, inversion is a geometrical method,

discovered jointly by Stubbs and Ingram of Dublin, and employed

subsequently with conspicuous success by Lord Kelvin in his electrical

researches. The notion may be explained thus: If R be a circle of centre

O and radius r, and P, Q be two points on a radius such that OP.OQ = r^2,

then P, Q are said to be inverse points for a circle of radius r, and O

is the centre of inversion. If one point, say P, traces a curve, the

corresponding locus of Q is said to be the inverse of the path of P. The

fundamental propositions are: (1) the inverse of a circle is a line or a

circle according as the centre of inversion is on or off the

circumference; (2) the angle at the intersection of two circles or of a

line and a circle is unaltered by inversion. The method obviously

affords a ready means for converting theorems involving lines and

circles into other propositions involving the same, but differently

placed, figures; in mathematical physics it is of special value in

solving geometrically electrostatical and optical problems.

INVERURIE, a royal, municipal and police burgh of Aberdeenshire,

Scotland, situated at the confluence of the rivers Don and Ury, 16(1/4)

m. N.W. of Aberdeen by rail, on the Great North of Scotland railway.

Pop. (1901) 3624. Paper-making, milling, and the making of mineral

waters are the chief manufactures, but the town is an important centre

of the cattle trade with London, markets being held at frequent

intervals. It also contains the workshops of the Great North of Scotland

railway. Inverurie belongs to the Elgin district group of parliamentary

burghs. At Harlaw, about 3 m. to the N.W., was fought in 1411 the great

battle between Donald, lord of the Isles, and the royal forces under the

earl of Mar. Not far from the scene of this conflict stands Balquhain

Castle, a seat of the Leslies, now a mere shell, which was occupied by

Queen Mary in September 1562 before the fight at Corrichie between her

forces, led by the earl of Moray, and those of the earl of Huntly. The

granite block from which she is said to have viewed the combat is still

called the Queen's Chair or the Maiden Stone. Near Bennachie (1619 ft.)

are stone circles and monoliths supposed to be of Druidical origin.

There is a branch line from Inverurie to Old Meldrum, 5(3/4) m. to the

N.E. by rail, a market town with a charter dating from 1672, where

brewing and distilling are carried on.

Encyclopaedia Britannica, 11th Edition, "Inscriptions" to "Ireland, William Henry" Volume 14, Slice 6 · 第 43 / 49 题