Brooks, William Keith. The Foundations of Zoölogy. New York: The

Macmillan Company. Pp. 339. $2.50.

Bullen, Frank T. Idylls of the Sea. With an Introduction by J. St. Loe

Strachey. New York: D. Appleton and Company. Pp. 286. $1.25.

Bulletins, Reports, Transactions, etc. American Society of Civil

Engineers: Proceedings. Vol. XXV. No. 4. Pp. 150.--British Columbia,

Province of: Annual Report of the Minister of Mines to December 31,

1898. Pp. 280, with maps.--Chicago Manual Training School (University

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96, with plates; Annual Catalogue, 1898-'99. Pp. 347.--Michigan

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230.--Ohio State University, Department of Zoölogy and Entomology, No.

1: The Odonata of Ohio. By David S. Kellicott. Pp. 116.--United States

Department of Labor: No. 21. Pp. 188.--United States Life-Saving

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Instruction, to June 30, 1898. Pp. 317, with tables.--War Department

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Philippine Islands. Pp. 40.

Burgess, O. O. A Question of Consciousness. San Francisco. Pp. 40.

Cumulative Index to a Selected List of Periodicals. Third Annual

Volume, 1898. Cleveland, Ohio: The Helman-Taylor Company. Pp. 792.

Coming Age, The. A Magazine of Constructive Thought. B. O. Flower and

Mrs. C. K. Reifsnider, Editors. Boston and St. Louis. Vol. I, No. 3.

March, 1899. Pp. 112. 20 cents.

Eidlitz, Leopold. On Light. An Analysis of the Emersions of Jupiter's

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Elrod, M. J. The College, Past and Present. Bloomington, Ill.: The

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Fay, Edward Allen. Marriages of the Deaf in America. Washington, D.

C.: The Volta Bureau. Pp. 527.

Gardiner, Charles A. Our Right to acquire and to hold Foreign

Territory. New York: G. P. Putnam's Sons. Pp. 56.

International Express Company, New York. Chart of Express Routes over

the World. Sheet.

Interstate Commerce Commission. Statistics of Railways in the United

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Jacoby, Johann. The Object of the Labor Movement. Translated by

Florence Kelley. New York: International Publishing Company

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Jackson, Frederick G. A Thousand Days in the Arctic. With Preface by

Admiral S. F. Leopold McClintock. New York: Harper & Brothers. Pp.

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Jordan, David Starr, with Official Associates and Special

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Krüger, F. C. Theo. A Step Forward, A Treatise on Possible Social

Reform. New York: Isaac H. Blanchard & Co. Pp. 30.

Lucas, Fred Alexander. The Hermit Naturalist. Trenton, N. J.: William

Hibbert. Pp. 121.

McLaughin, Andrew C. A History of the American Nation. New York: D.

Appleton and Company. Pp. 587. $1.40.

Marsh, O. C. The Dinosaurs of North America. United States Geological

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Marshall, Percival. Small Accumulators, How Made and Used. New York:

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Michigan Ornithological Club, The. Bulletin of, Monthly. Vol. III, No.

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Moon, Clarence B. Certain Aboriginal Mounds on the Coast of South

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Moses, Alfred J. The Characters of Crystals. An Introduction to

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$2.

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Palmer, Frederick. In the Klondyke. Including an Account of a Winter's

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Porter, Robert P. Industrial Cuba, Being a Study of Present Commercial

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Smithsonian Institution. Crookes, William. Diamonds. Pp. 16.--Nutting,

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Wetterstrand, Otto Georg. Hypnotism and its Application to Practical

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Wilkensen, H. E., Acting Secretary, and French, H. A., Acting

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Woodhull, John F., and Van Arsdale, M. B. Chemical Experiments. New

York: Henry Holt & Co. Pp. 136.

Fragments of Science.

=The Gypsies and their Folk Tales.=--In the introduction to his

collection of Gypsy Folk Tales Mr. Francis H. Groome describes the

wide dispersion of the gypsy race as extending, in Europe, from

Finland to Sicily, and from the shores of the Bosporus to the Atlantic

seaboard; in Asia, from Siberia to India, and from Asia Minor

(possibly) to China; in Africa, from Egypt and Algeria to Darfúr and

Kordofan; and in America, from Pictou in Canada to Rio Janeiro.

Believing that the gypsies, originating in India, left that region at

an unknown date very long ago, he traces their migrations in the past

and shows that a part of the race is still very migratory, passing,

among other routes, between Scotland and North America, and between

Spain and Louisiana. Another migration not mentioned in his book is

the annual oscillation between north and south of the North American

gypsy colony, which is growing healthily. The author finds it at

present quite impossible to fix the arrival of the gypsies in

southeastern Europe at a thousand years before Christ or a thousand

years after. If the Komodromoi of the Byzantine writers were gypsies,

then these people must have been a recognized and familiar element of

the Balkan population about as early as the latter date. Gypsies pass

for a very cunning people, and such they are to outsiders, so that

Romany or gypsy guile is a very common expression. Centuries of

suspicion and repression have taught them to arm themselves proof

against confidence in strangers; but to those who become acquainted

with them, as Mr. Groome professes to have done and George Borrow did,

they present a character of simplicity and frankness. There is, as a

gypsy woman once said to a writer in The Athenæum, "somethin' in the

mind of a Gorgio that shuts the Romany's mouth and opens his eyes and

ears." Gypsies are active transmitters of folklore, and have rich

funds of stories; and many believe that the folklore stories of Europe

are traceable to Indian sources, whence they may have been transmitted

to Europe. Mr. Groome suggests how some of these stories may have

originated by telling of a gypsy girl he knew who dashed off "what was

almost a folk tale impromptu." She had been to a picnic in a

four-in-hand with "a lot of real tiptop gentry," and "Reia," she said

to me afterward, "I'll tell you the comicallest thing as ever was.

We'd pulled up to put the brake on, and there was a _puro

hotchiwitchi_ (old hedgehog) come and looked at us through the hedge,

looked at me hard. I could see he'd his eye upon me. And home he'd go,

that old hedgehog, to his wife, and 'Missus,' he'd say, 'what d'ye

think? I seen a little gypsy gal just now in a coach and four horses,'

and 'Dabla,' she'd say, 'bless us, every one now keeps a carriage.'"

=Educational Work of an Experiment Station.=--The survey of the year's

work of Cornell University Agricultural Experiment Station in its

efforts to "help the farmer" by dealing with present-day problems

includes mention of its investigations, related in bulletins published

or to be published in reference to fruits, their insect and fungoid

enemies, vegetables, flowers, sugar beets, potatoes, fertilizers,

beans, the dairy, veterinary science, horticulture, and plant disease.

Much of the work of the station can not be published, consisting as it

does of correspondence, personal advice, attending meetings, making

records, or the performance of special illustrative experiments at

farmers' homes or in neighborhoods as object lessons. "It is a pity,"

the report says, "that every farmer in the State can not be personally

touched at least once in his life by the methods and the inspiration

of a good teacher." The itinerant schools which were held in the early

days of the extension work are regarded as being most beneficial when

the community has been awakened by simpler and more elementary means,

while the larger part of the work can be done more economically than

by them. Yet in particular places and cases they are of greatest

value, and they are still held when suitable conditions prevail.

Special dairy schools, largely of the nature of practical

demonstrations, were held at various places. The report lays much

stress on the importance of beginning the educational work with the

children and upon the value of Nature study. More than sixteen

thousand school children have requested and been supplied with

information on the making of gardens.

=Flies as Bearers of Disease.=--In estimating the relative importance

of flies and water supply in spreading disease, Dr. M. A. Veeder

distinguishes between intestinal and malarial disorders. In the former

the infection is a bacillus of some sort, the presence of which can be

traced to contamination by excretions from a diseased bowel. In the

latter the source of infection is peculiar to marshy or stagnant

water, and independent of contamination from human sources. It is the

author's belief that, with relatively unimportant exceptions,

intestinal diseases are spread almost exclusively by flies and

malarial diseases by water, and he supports it by citations from

recent army experiences. Likewise, during the recent British campaign

in Fashoda, which was most carefully planned and took place in a

climate that is exceptionally dry and hygienic, there was no abatement

of typhoid fever. In the case of an outbreak of malignant dysentery

described by the author in a previous paper, taken at its height, not

a new case occurred after measures were adopted that made conveyance

by flies impossible, although there had been fresh ones every day for

some time previously. Another more recent "lively epidemic" of typhoid

mentioned by the author was ended in a day by measures directed

against conveyance by water. "When flies are responsible, there are

little neighborhood epidemics, extending in short leaps from house to

house, without reference to water supply or anything else in common.

But when water is at fault the disease follows its use wherever it may

go.... Epidemics spread by flies tend to follow the direction of

prevailing warm winds, as though the fly, wandering outdoors after

contact with the source of infection, had drifted with the wind, but

nothing of the sort is perceptible in the case of water-borne

disease."

=Pottery Making and Lead Poisoning.=--The report of Professors Thorpe

and Oliver on the subject of the employment of compounds of lead in

the manufacture of pottery, especially in its relation to the health

of the work people, has just been issued as an English blue book. It

appears that of the total male workers in the year 1898, 4.9 per cent

became "leaded," while of the female workers the proportion was 12.4

per cent. It is stated that in the last six months many successful

attempts have been made by the manufacturers to substitute a leadless

glaze, and there seems no doubt that glazes of sufficient brilliancy,

covering power, and durability are now within the reach of the

manufacturer. The exclusion of women from certain parts of the work,

except where leadless glazes are used, is advocated, and also various

expedients for preventing the absorption of the lead by the skin, such

as rubber gloves or "dipping" tongs. Their general conclusions are as

follows: "That by far the greater amount of earthenware of the class

already specified can be glazed without the use of lead in any form.

It has been demonstrated, without the slightest doubt, that the ware

so made is in no respects inferior to that coated with lead glaze.

There seems no reason, therefore, why in the manufacture of this class

of goods the operatives should still continue to be exposed to the

evils which the use of lead glaze entails. There are, however, certain

branches of the pottery industry in which it would be more difficult

to dispense with the use of lead compounds. But there is no reason

why, in these cases, the lead so employed should not be in the form of

a fritted double silicate. Such a compound, if properly made, is but

slightly attacked by even strong hydrochloric, acetic, or lactic acid.

There can be little doubt that, if lead must be used, the employment

of such a compound silicate--if its use could be insured--would

greatly diminish the evil of lead poisoning. The use of raw lead as an

ingredient of glazing material, or as an ingredient of colors which

have to be subsequently fired, should be absolutely prohibited. As it

would be very difficult to insure that an innocuous lead glaze shall

be employed, we are of opinion that young persons and women should be

excluded from employment as dippers, dippers' assistants, ware

cleaners after dippers, and glost placers in factories where lead

glaze is used, and that the adult male dippers, dippers' assistants,

ware cleaners, and glost placers should be subjected to systematic

medical inspection. In the 1893 report the medical members of the

committee expressed the opinion that 'many old factories are wholly,

or in part, unfit in a sanitary point of view for occupation,' and

they suggested that 'there should be some authority to close them, or

whatever part of them is condemned, on the same principle as dwellings

are declared uninhabitable.' We share this opinion and we concur in

the suggestion. Certain of the factories we have inspected are in the

last stages of dilapidation, and it appears to us to be well-nigh

impossible to introduce into them such rearrangements or additions as

are required by the amended special rules."

=The Longevity of Animals.=--The following interesting table, showing

the periods of maturity and the full term of life of various animals,

was prepared by E. D. Bell and appeared in Nature for March 23d. The

table was made for the purpose of demonstrating a constant relation

(in length) between these two periods of life, which the author

expresses in the following formula, in which f. t. l. = full term of

life, and p. m. the time required to arrive at maturity:

f. t. l. = 10.5(p. m.) / [3root](p. m.), or 10.5 × (p. m.)^{2/3}

and which seems to be fairly well borne out by the table:

----------+-----------------------------------+----------

| OBSERVATIONS. | f. t. l.

ANIMAL. |-----------------+---------+-------| by

| Authority. | p. m. | f.t.l | formula.

----------+-----------------+---------+-------+----------

| |Mos. Yr. | Yrs. | Years.

Dormouse | Ainslie Hollis. | 3 .25 | 4-5 | 4.167

Guinea-pig| Flourens. | 7 .583 | 6-7 | 7.33

Loprabbit:| | | |

Buck | R. O. Edwards, | | |

| p. m. | 9 .75 | 8 | 8.67

Doe | R. O. Edwards, | | |

| p. m. | 8 .667 | 8 | 8.013

| | Years. | |

Cat | St. G. Mivart. | 1 | 12 | 10.5

Cat | J. Jennings. | 2 | 15 | 16.67

Goat | Pegler. | 1.25 | 12 | 12.18

Fox | St. G. Mivart. | 1.5 | 13-14 | 13.76

Cattle | Ainslie Hollis. | 2 | 18 | 16.67

Large dogs| Dalziel, p. m. | 2 | 15-20 | 16.67

Eng. thor-| | | |

oughbred | | | |

horse | Ainslie Hollis. | 4.5 | 30 | 28.62

Hog | James Long. | 5 | 30 | 30.7

Hippopot- | | | |

amus | Chambers's | | |

| Encyclopædia. | 5 | 30 | 30.7

Lion | St. G. Mivart. | 6 | 30-40 | 34.67

Eng. horse| | | |

--hunter | Blaine. | 6.25 | 35 | 35.63

Arab horse| Ainslie Hollis. | 8 | 40 | 42.00

Camel | Flourens. | 8 | 40 | 42.00

Man | Buffon, f. t. l.| 25 | 90-100| 89.77

Elephant | Darwin. | 30 | 100 |101.4

Elephant | C. F. Holder | | |

| and Indian | | |

| hunters. | 35 | 120 |112.35

----------+-----------------+---------+-------+----------

=The Manufacture of Firecrackers in China.=--There were exported from

China during the year ending June 30, 1897, 26,705,733 pounds of

firecrackers, all from the province of Kwantung. The exports, however,

represent only a small portion of the number manufactured, as the use

of the cracker is universal all over China. They are used at weddings,

births, funerals, at festivals, religious and civil, and in fact on

all occasions out of the ordinary routine. The United States consul

general at Shanghai gives the following account of the industry: There

are no large factories; the crackers are made in small houses and in

the shops where they are sold. In making them only the cheapest kind

of straw paper is used for the body of the cracker. A little finer

paper is used for the wrapper. A piece of straw paper, nine by thirty

inches, will make twenty-one crackers an inch and a half long and a

quarter inch in diameter. The powder is also of the cheapest grade,

and is made in the locality where used. It costs about six cents per

pound. For the fuse a paper (called "leather" in Shanghai) is used,

which is imported from Japan, and is made from the inner lining of the

bamboo. In other places a fine rice paper is used, generally stiffened

slightly with buckwheat-flour paste, which the Chinese say adds to its

inflammability. A strip of this paper one third of an inch wide by

fourteen inches (a Chinese foot) long is laid on a table, and a very

little powder put down the middle of it with a hollow bamboo stick. A

quick twist of the paper makes the fuse ready for use. The straw paper

is first rolled by hand around an iron rod, which varies in size

according to the size of cracker to be made. To complete the rolling a

rude machine is used. This consists of two uprights supporting an axis

from which is suspended, by two arms, a heavy piece of wood, slightly

convex on the lower side. There is just room between this swinging

block and top of the table to place the cracker. As each layer of

paper is put on by hand, the cracker is placed on the table and the

suspended weight is drawn over the roll, thus tightening it until no

more can be passed under the weight. For the smallest "whip" crackers,

the workman uses for compression, instead of this machine, a heavy

piece of wood fitted with a handle like that of a carpenter's plane.

In filling crackers, two hundred to three hundred are tightly tied

together in a bunch; red clay is spread over the end of the bunch, and

forced into the end of each cracker with a punch. While the clay is

being treated a little water is sprayed on it, which makes it pack

closer. The powder is poured in at the other end of the cracker. With

the aid of an awl the edge of the paper is turned in at the upper end

of the cracker, and the fuse is inserted through this. The long ends

of the fuses are braided together in such a way that the crackers lie

in two parallel rows. The braid is doubled on itself, and a large,

quick-firing fuse inserted, and the whole is bound with a fine thread.

The bundle is wrapped in paper and in this shape is sent to the

seacoast. A variety of cracker which is very popular in China is the

"twice-sounding" cracker; it has two chambers, separated by a plug of

clay, through which runs a connecting fuse. There is also a fuse

extending from the powder in the lower chamber through the side of the

cracker. When the cracker is to be fired, it is set on end and fire

applied to the fuse. The powder exploding in the chamber throws the

cracker high in the air, where the second charge is exploded by fire

from the fuse extending through the plug between the two chambers. In

the manufacture of these the clay is first packed in with a punch to

form the separating plug. The lower chamber is then loaded with powder

and closed by turning over the paper at the end. The upper chamber is

loaded and closed with clay. A hole is punched in the side of the

lower chamber with an awl, and the fuse inserted through this opening.

=An Enchanted Ravine.=--During his archæological researches in the

Uloa Valley, Honduras (Memoirs of Peabody Museum), Mr. George Byron

Gordon made an excursion to the wonderful enchanted ravine, _Quebrada

Encantada_, which was famous through all the country for its weather

wisdom. It was situated in a deep valley, and, Mr. Gordon says, "sends

forth a loud melodious sound which may be heard many miles away, and

is regarded by the people of the region as an infallible sign of rain.

In fact, it is a regular weather bureau, with this peculiarity, that

it is always reliable; for the sound is so modulated as to indicate by

its pitch whether the coming storm is to be heavy or light. The amount

of promised rain is in exact proportion to the volume of the sound,

and thus it proclaims to the accustomed ear with unerring precision

the approach of a passing shower or heralds the terrific thunderstorm

of the tropics; and this is no fiction, but a fact, which any one may

demonstrate for himself by going and listening to it." Tradition says

the ravine was the abode of a golden dragon, and that in former times

"it was lined with golden pebbles and the sands at its margin were

grains of gold, and it was the custom of the golden dragon to rise

occasionally to the margin of the pool and receive the offerings that

were made to him by the people. If they wanted rain, they would bring

their offerings and lay them on the golden sand behind the pool or

cast them on the water; then, while all the people chanted a prayer,

the dragon would rise from the cave where he dwelt in the depths of

the pool, and take the good things that were offered him, and there

was never a drought or a famine in the land. Then, when the Spaniards

came and the people were driven from their homes, the golden pebbles

and grains of gold disappeared, and the golden dragon, retiring into

the uttermost corner of his watery cavern, withdrew forever from the

upper world. There he still lives, and, as formerly, controls the

clouds and the winds that bring the rain. The spirits of the Indians,

too, still hold their meetings of an occasional evening by their

accustomed pool, now lost in the solitude of the forest, and it is the

sound of their chanting that makes the voice of the ravine." The pool

is formed by a cataract tumbling down the side of the mountain and

making a final fall of fifty feet, and the sound of the tumbling of

the waters forms the basis of the pretty legend.

Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899 · 第 15 / 16 段