You know the exquisitely truthful figures employed in the New Testament

regarding leaven. A particle hid in three measures of meal leavens it all.

A little leaven leaveneth the whole lump. In a similar manner a particle

of contagium spreads through the human body, and may be so multiplied as

to strike down whole populations. Consider the effect produced upon the

system by a microscopic quantity of the virus of smallpox. That virus is

to all intents and purposes a seed. It is sown as leaven is sown, it grows

and multiplies as leaven grows and multiplies, and it always reproduces

itself....Contagia are living things, which demand certain elements of

life, just as inexorably as trees, or wheat, or barley; and it is not

difficult to see that a crop of a given parasite may so far use up a

constituent existing in small quantities in the body, but essential in the

growth of the parasite, as to render the body unfit for the production of

a second crop. The soil is exhausted; and until the lost constituent is

restored, the body is protected from any further attack from the same

disorder. To exhaust a soil, however, a parasite less vigorous and

destructive than the really virulent one may suffice; and if, after

having, by means of a feebler organism, exhausted the soil without fatal

result, the most highly virulent parasite be introduced into the system,

it will prove powerless. This, in the language of the germ theory, is the

whole secret of vaccination.--TYNDALL.

_Disease Germs Contained in Atmospheric Dust_.--Take the extracted

juice of beef or mutton, so prepared as to be perfectly transparent, and

entirely free from the living germs of bacteria. Into the clear liquid let

fall the tiniest drop of an infusion charged with the bacteria of

putrefaction. Twenty-four hours subsequently, the clear extract will be

found muddy throughout, the turbidity being due to swarms of bacteria

generated by the drop with which the infusion was inoculated. At the same

time the infusion will have passed from a state of sweetness to a state of

putridity. Let a drop similar to that which has produced this effect fall

into an open wound: the juices of the living body nourish the bacteria as

the beef or mutton juice nourished them, and you have putrefaction

produced within the system. The air, as I have said, is laden with

floating matter which, when it falls upon the wound, acts substantially

like the drop....A few years ago I was bathing in an Alpine stream, and,

returning to my clothes from the cascade which had been my shower bath, I

slipped upon a block of granite, the sharp crystals of which stamped

themselves into my naked shin. The wound was an awkward one, but, being in

vigorous health at the time, I hoped for a speedy recovery. Dipping a

clean pocket handkerchief into the stream, I wrapped it round the wound,

limped home, and remained for four or five days quietly in bed. There was

no pain, and at the end of this time I thought myself quite fit to quit my

room. The wound, when uncovered, was found perfectly clean, uninflamed,

and entirely free from pus. Placing over it a bit of gold beater's skin, I

walked about all day. Toward evening, itching and heat were felt; a large

accumulation of pus followed, and I was forced to go to bed again. The

water bandage was restored, but it was powerless to check the action now

set up; arnica was applied, but it made matters worse. The inflammation

increased alarmingly, until finally I was ignobly carried on men's

shoulders down the mountain, and transported to Geneva, where, thanks to

the kindness of friends, I was immediately placed in the best medical

hands. On the morning after my arrival in Geneva, Dr. Gautier discovered

an abscess in my instep, at a distance of five inches from the wound. The

two were connected by a channel, or _sinus_, as it is technically

called, through which he was able to empty the abscess without the

application of the lance.

By what agency was that channel formed--what was it that thus tore asunder

the sound tissue of my instep, and kept me for six weeks a prisoner in

bed? In the very room where the water dressing had been removed from my

wound and the gold beater's skin applied to it, I opened this year a

number of tubes, containing perfectly clear and sweet infusions of fish,

flesh, and vegetable. These hermetically sealed infusions had been exposed

for weeks, both to the sun of the Alps and to the warmth of a kitchen,

without showing the slightest turbidity or signs of life. But two days

after they were opened, the greater number of them swarmed with the

bacteria of putrefaction, the germs of which had been contracted from the

dust-laden air of the room. And, had the pus from my abscess been

examined, my memory of its appearance leads me to infer that it would have

been found equally swarming with these bacteria--that it was their germs

which got into my incautiously opened wound. They were the subtile workers

that burrowed down my shin, dug the abscess in my instep, and produced

effects which might well have proved fatal to me.--TYNDALL.

_Disease Germs Carried in Soiled Clothing_ (p. 89).--The conveyance

of cholera germs by bodies of men moving along the lines of human

communication, without necessarily affecting the individuals who transport

them, is now easy to understand; for it is well established that clothes

or linen soiled by cholera patients may not only impart the germs with

which they are contaminated to those who handle them when fresh, but that,

after having been dried and packed, they may infect persons at any

distance who incautiously unfold them. Thus, while the nurses of cholera

patients may, with proper precautions, enjoy an absolute immunity from

attack, the disease germs may be introduced into new localities without

any ostensible indication of their presence. It is obvious that the only

security against such introduction consists in the destruction or thorough

disinfection of every scrap of clothing or linen which has been about the

person of a cholera patient.--DR. CARPENTER.

I have known scarlet fever to be carried by the clothing of a nurse into a

healthy family, and communicate the disease to every member of the family.

I have known cholera to be communicated by the clothes of the affected

person to the women engaged in washing the clothes. I have known smallpox

conveyed by clothes that had been made in a room where the tailor had by

his side sufferers from the terrible malady. I have seen the new cloth,

out of which was to come the riding habit for some innocent child to

rejoice in as she first wore it, undergo the preliminary duty of forming

part of the bed clothing of another child stricken down with fever.

Lastly, I have known scarlet fever, smallpox, typhus, and cholera,

communicated by clothing contaminated in the laundry.--DR. RICHARDSON.

THE SANITARY HOME (see p. 94).--1. _The Site_.--First and foremost of

all the things you are to consider, is the healthfulness of a situation.

The brightest house and cheeriest outlook in nature will be made somber by

the constant presence of a doctor, and the wandering around of an unseen,

but ever felt, specter in the shape of miasm....Malaria-malus, bad; aria,

air--means, in its common definition, simply bad air. Miasma is its

synonym,--infecting effluvia floating in the air. Because, as everybody

knows, certain places have always chills and fever associated with them,

and other places have not, it follows that between such places there is

some fact of difference; this fact is the presence of miasm, a cause of

disease, having a signification associative with the locality....

Vegetation, heat, and moisture: these are the three active agents in the

production of miasma, to which a fourth is to be added, in the influence

of non-drainage, either by the way of the atmosphere or running water. The

strongest example of a malarious locality one might make would be in

suggesting a marshy valley in a tropical climate, so overrun with fixed

water as to destroy a prolific vegetation, yet not covering it enough to

protect the garbage from the putrefying influences of the sun; this

valley, in turn, so environed with hills as to shut off a circulation of

air....Ground newly broken is not unapt to generate miasm. This results

from the sudden exposure of long-buried vegetable matter to the influences

of moisture and heat....It may readily be conceived that malarious

situations exist where the miasm is not sufficient in quantity to produce

the effects of intermittent or bilious fever, yet where there is quite

enough of it to keep a man feeling good for nothing,--he is not sick, but

he is never well. I know of one country seat of this kind, where forty

thousand dollars would not pay for the improvements put upon it, and

where, I am free to declare, I would not think of living, even if, as an

inducement, a free gift were made to me of the place....Besides miasm,

there are other atmospheric associations to be considered. I recall this

moment a distillery, where attempt was made to get clear of the mash by

throwing it into a running stream, with the anticipation of its being

carried to the river, but where, on the contrary, it became a stagnant

putrescent mass, impregnating the air for miles with its unendurable odor,

and inducing such a typhoid tendency that half the countryside were down

with fever....There are, again, situations where the filth and debris of

sewage exercise a poisoning influence on the surrounding atmosphere. This

has its principal application to the neighborhood of cities and towns

drained into adjoining streams. London and the Thames furnish a notable

illustration. A cove, attractive as it is, may prove a receptacle for the

accumulation of dead fish and other offal, which shall make untenable the

charming cottage upon the bank. A deep cove has rarely healthy

surroundings, the circulation of its water being too sluggish to insure

freshness and vitality. Water, like blood, to be healthy, must be in a

state of continuous movement.

A nonobservant man, purchasing a beautiful stream, may be completely

disappointed by finding that the opacity of its water depends upon a

factory, of which he had never so much as heard; he may not let his

children bathe in it, for he may well fear for them the fate of the fish

he so plentifully finds lying dead upon the shore. A poisoned rural stream

is as sad a sight as it has grown to be a common one. Always, before

buying water, know what there is up stream, or what there is likely to be.

Never buy a country house without seeing to it that the foundation stands

upon a higher level than some channel which may drain it, and this, by the

way, is not to consider alone the dry summer day on which you go first to

visit the place; you are to think of the winter and spring. Look to it

that no excess of water shall be able to drown you out; some places, which

in dry weather are glorious, are, in winter and spring, ankle deep in

slush and mire, and everything about them is as wet as a soaked board.

Open the front door of such a house, and a chill strikes you instantly. A

fire must be kept the year round, or otherwise you live in the moisture of

a vault. Places there are of this class where the question of the water

from the kitchen pump comes to absorb the attention of the whole

household.

No shade is an abomination. A bilious fever fattens in the sun as does

miasm in a marshy valley. Too much shade, on the contrary, and too near

the house, is equally of ill import; it keeps things damp, and dampness is

a breeder of pestilence. An atmosphere confined about a house by too dense

foliage is, like the air of an unventilated room, not fit for practical

purposes. The sporadic poisons have an intimate relationship with

dampness; miasm lives in it as does a snail in his shell. Besides this, it

shuts out the cool breath of the summer nights, and makes restless

swelterers where even a blanket might be enjoyed.--DR. JOHN DARBY, _Odd

Hours of a Physician_.

2. _The House_.--So construct the dwelling from foundation to roof

that no dampness can result. Give to the cellar dry walls, a cement floor,

and windows enough to insure constant currents of air. Insist upon such a

system of immediate and perfect sewerage as shall render contamination

impossible. If "modern improvements" are afforded, see that the plumbing

embraces the latest and most scientific sanitary inventions. Do not

economize on this point; health, perhaps life, depends upon the perfect

working of the various traps. Having employed the most skilled and

intelligent plumbers, overlook their work so that you may fully understand

the principle applied.

Provide for ample ventilation in every apartment, above and below. Let the

sleeping rooms be above stairs, and furnished with appliances for moderate

warmth in winter. Treat yourself and your family to as many fireplaces as

possible. Indulge in a spacious piazza, so placed that it will not cut off

the light from the family sitting room, and, if you can, include a balcony

or two, large enough to hold a chair and a table, or a workbasket.

Remember that a house is for convenience and protection _only when you

can not be in the open air_.

3. _The kitchen and the Dust Heap.--Removal of Household Refuse_.--It

has to be assumed, especially where servants are not carefully overlooked,

that the dust heap of most houses will contain more or less decomposing

organic matter, such as bits of meat, scales and refuse of fish, tea and

coffee grounds, and the peelings of vegetables, which, though quite out of

place in the ash heap, are apt surreptitiously to be thrown upon it. Such

matter soon becomes offensive and even dangerous, and a few days'

retention of it in warm weather constitutes a legal nuisance. Household

refuse should be carted away as often as once in two days; in extreme hot

weather, daily. Where it is inexpedient to remove it frequently, it should

be kept covered to the depth of two or three inches with a layer of

powdered charcoal, or freshly burnt lime, or, at least, of clear dry

earth. All soil which has become foul by the soakage of decaying or

vegetable matter should be similarly treated. The refuse heap should be

protected from rain, and liquids should never be thrown upon it. Where

obnoxious matter has been allowed to accumulate, its disturbance for

removal should be conducted with special precaution, both on account of

its temporary offensiveness of odor and the more serious results which may

follow. It can not be too distinctly understood that cleanliness,

ventilation, and dryness are the best of all deodorizers. One of the first

of household regulations should be to see that no unsanitary rubbish

remains in or about the dwelling. Keep the dust heap itself at the

farthest practicable remove from the house. Sow grass seed plentifully

upon the back premises, and induce tidiness in the domestics by having the

kitchen door open upon a well-kept lawn.

_Burning of Garbage_.--The easiest, quickest, and most sanitary

method of disposing of household garbage is to burn it This plan has been

officially recommended by the Boards of Health in various cities. Many

housekeepers have adopted it, and find it so practicable that in New York

City there has become a marked decrease in the amount of household refuse

collected by the scavengers. If, after every meal, the draughts of the

range be opened, and all waste matter be deposited within, a few moments,

or at most, a half hour, will effectually dispose of it, and prevent all

the dangers that arise from its retention and accumulation. In the

country, where there is plenty of ground, nearly all rubbish can be

destroyed in this way and by outside fires, with the additional advantage

that the--E. R. S.

4. _The Sewers and Drains.--How to Keep out Sewer Air_.--The most

perfectly flushed sewers that are made, under the latest and fullest

sanitary light, must, owing to the constant entrance of greasy and other

adhesive material, contain more or less of particles that "stick," and

also more or less of fungi and mold; so that here, shut away from light

and air, goes on the peculiar fermentation that fits it for the soil or

habitat of the malarial germ. These germs, the soil once ready, take

possession and multiply, whether that soil be a sewer or the blood of a

person who sits calmly unconscious in a gorgeous chamber above, with a

small continuation of the sewer extending untrapped up to his washbowl.--

DR. DERBY.

Keep constant watch of your traps and drains. Cultivate the faculty of

detecting sewer gas in the house. Always fear a smell; trace it to its

source and provide a remedy. At the same time, bear in mind that it is not

always the foul smell that is most dangerous. There is a close, sweet odor

often present in bathrooms, and about drains, that is deadly as the Upas

tree. Bad air from neglected drains causes not only fevers, dysentery, and

diphtheria, but asthma and other chronic disorders. Illuminating gas,

escaping from pipes and prevented from exuding by frozen earth, has been

known to pass sidewise for some distance into houses. Thus also the air

from cesspools and porous or broken drains finds its way, when an

examination of the household entrance to the drain fails to reveal the

cause of an existing effluvia. But, however bad the drain may be outside

the house, there is little to fear provided the gas can escape externally.

Every main drain should have a ventilating pipe carried from it directly

outside the house to the top of the highest chimney. The soil pipe inside

the house should be carried up through the roof and be open at the top.

Digging for drains or other purposes should not be allowed when the

mercury stands above 60°; but if, as in repairs of pipes, it becomes

necessary to dig about the house in hot weather, let it be done in the

middle of the day, and replace the turf as speedily as possible. If the

soil be damp, or the district malarious, sprinkle quicklime upon the earth

as fast as it is turned.

_How to Clear Waste Pipes_.--The "sewer gas," about which so much has

been written, and which is so justly dreaded, is not, as many suppose, the

exclusive product of the sewer. Indeed, the foul and dangerous gases are

not only found in the sewers themselves, but in the unventilated waste

pipes, and those which are in process of being clogged by the foul matter

passing through them. Any obstruction in the soil or waste pipes is

therefore doubly dangerous, because it may produce an inflow of foul gas

into the pipe, even though the entrance to the sewer itself has been

entirely cut off.

In pipes leading from the house to the cesspool, there is a constant

accumulation of grease. This enters as a liquid, but hardens as the water

cools, and is deposited on the bottom and sides of the pipes. As these

accumulations increase, the water way is gradually contracted, till the

pipe is closed.

When the pipe is entirely stopped, or allows the water to fall away by

drops only, proceed thus: Empty the pipe down to the trap, as far as

practicable, by "mopping up" with a cloth. If the water flows very slowly,

begin when the pipe has at last emptied itself. Fill the pipe up with

potash, crowding it with a stick. Then allow hot water to trickle upon the

potash, or pour the hot water upon it in a small stream, stopping as soon

as the pipe appears to be filled. As the potash dissolves and disappears,

add more water. At night a little heap of potash may be placed over the

hole, and water enough poured on so that a supply of strong lye will flow

into the pipe during the night.

Pipes that have been stopped for months may be cleaned out by this method,

though it may call for three or four pounds of potash. The crudest kind,

however, appears to act as well as the best. If the pipe is partially

obstructed, a lump of crude potash should be placed where water will drip

slowly upon it, and so reach the pipe. As water comes in contact with the

potash, it becomes hot, thus aiding in dissolving the grease. Potash, in

combination with grease, forms a "soft" or liquid soap, which easily flows

away. It is also destructive to all animal and most mineral matters.

Some of the most dangerous gases come from wash-basin pipes, being,

perhaps, the result of the decay of the soap and the animal matter washed

from the skin.

When a pipe is once fairly cleaned out, the potash should be used from

time to time, in order to dissolve the greasy deposits as they form, and

carry them forward to the cesspool or sewer.--_Artisan_.

_What Came from a Neighbor's Cesspool_.--Keep watch not only of your

own premises, but stand on guard against those of your neighbors. Dr.

Carpenter cites a case wherein "four members of a certain household were

attacked with typhoid fever, one of whom narrowly escaped with her life.

The circumstances left no doubt in the mind of the attending physician

that the malady originated in the opening of an old cesspool belonging to

a neighboring house, then in course of demolition. The house in which the

outbreak took place is large and airy, and stands by itself in a most

salubrious situation. The most careful examination failed to disclose any

defect either in its drainage or its water supply; there was no typhoid in

the neighborhood; and the milk supply was unexceptional. But the

neighboring house being old, and having been occupied by a school, its

removal had been determined on to make way for a house of higher class;

and as the offensive odor emanating from the uncovered cesspool was at

once perceived in the next garden, and the outbreak of typhoid followed at

the usual interval, the case seems one which admits of no reasonable

question."

5. _The Cellar_.--_A Typical Bad Cellar_.--Did the reader ever,

when a child, see the cellar afloat at some old home in the country? You

creep part way down the cellar stairs with only the light of a single

tallow candle, and behold by its dim glimmer an expanse of dark water,

boundless as the sea. On its surface, in dire confusion, float barrels and

boxes, butter firkins and washtubs, boards, planks, hoops, and staves

without number, interspersed with apples, turnips, and cabbages, while

half-drowned rats and mice, scrambling up the stairway for dear life,

drive you affrighted back to the kitchen....Now consider the case of one

of these old farmhouse cellars that has been in use fifty years or more.

In it have been stored all the potatoes, turnips, cabbages, onions, and

other vegetables for family food. The milk and cream, the pork and beef,

and cider and vinegar, have all met with various accidents, and from time

to time have had their juices, in various stages of decay, absorbed by the

soil of the cellar bottom. The cats have slept there to fight the rats and

the mice, who have had their little homes behind the walls for half a

century; and the sink spouts have for the same term poured into the soil

close by, their fragrant fluids. The water rushes upward and sideways into

the cellar, forming, with the savory ingredients at which we have

delicately hinted, a sort of broth, quite thin and watery at first, but

growing thicker as the water slowly subsides and leaves its grosser parts

pervading the surface of the earth, walls, and partitions. All this time

the air rushes in at the openings of the cellar, and presses constantly

upward, often lifting the carpets from the floors, and is breathed day and

night by all who dwell in the house. Does it require learned doctors or

boards of health to inform any rational person that these conditions are

unfavorable to health?--MRS. PLUNKETT, _Women, Plumbers, and

Doctors_.

_What Came from a Crack in a Cellar Wall_.--A few years ago a Boston

gentleman inherited a house, situated on one of the most desirable streets

of the city. Resolving to make a healthy as well as a beautiful home, he.

spent a large sum, and gave personal supervision to all the details of an

elaborate system of plumbing. He moved in. Imagine his grief and

disappointment when member after member of his family succumbed to

diphtheria, and an infant and a grown daughter died. Though so deeply

smitten, he did not lose his belief in the connection between cause and

effect. He ordered a minute investigation of the premises by experts. A

slight crack, so small as to have escaped ordinary observation, was found

in the cellar wall. Investigation of the premises next door--the inmates

of which were also suffering from diphtheria--showed a choked-up drain,

which ought to have connected with the sewer, but did not. The filthy ooze

from this was pouring out, just where its effluvium and its disease germs

could pass without any hindrance through the crack.

Now that it is shown that gases pass through bricks and many kinds of

stone, it is easy to see that the sanitary welfare of one is the sanitary

welfare of all.--MRS. PLUNKETT.

6. _The Bedroom_.--_The Bed a Night Garment_.--There is still

one of our garments to be considered, which generally is not regarded as

such. I mean the bed--that piece of clothing in which we spend such a

great part of our time.

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