The Arkansaw traveler., 1885-09-19
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 SCIENTIFIC MISCELLANY.

\ A&N A@R ~ 3&1sS3&sAANY, | --@---------- A German chemist. l. c Otto. finds ., 'eriai blood to contain more sugar than X. blood of the veins.
 Bromine exposed in closed room ov.. night is said to efectually destroy all ips.r,. and disease germs.
 From nearly 400 singers-including m Germans or ltalians-Dr. Lennox Brown. has secured testimony that the use of aleohoI and tobacco iDjures the singing voice.
 The Howering plants and ferns of C.v. lon, according to Dr. Trimen, embrace ,o,,. genera, or 3 24o regular species. There .,. also 4os varieties, of which some may prov. to be distinct species.
 In Southern Russia vineyards are fr..a from phylloxera by planting hemp near ,b. infected vines. The parasites are a,,rac,.s to the hemp by its strong odor, and the root, prove to be poisonous to them.
 The American Indians are found bv Matthews to have a knowledge of animal, and plants incomparablV superior to that of | the average white man, or of the white ma, who has not made zoology or botany sub. ject of study.
 The director If the Buda- Pesth bureap of statistics, Josef Korosi. has oalculat.s from carefully prepared mortality tables ,ha, the possession of wealth, and the resultipo exemption from privation, lengthens the aver, l age life nearly ten years.
 
 A colossal poplar in the Botanical Gardens at Dion measures 90 feet in heieb, 40 feet in circumference near the earth, and 2I feet in circumference at I6 feet above ,h. earth. pr. Lavelle finds reason for believing that it is at least 500 years old.
 Oleoze, the favorite German prepara. tion for disgusting the taste of most unpleas> ant remedies, is said to have this compost. tion: One part each of the oils of lavender cloves, cinnamon, thyme, citron, mace and orange flowers, three parts of balsam of Peru and 24o parts of spirits.
 Tromholt endorses the view, said to have been first advanced by Weyprecht that the zone in which the aurora borealis ap. pears is changing perio ideally, being farthesi SOoAH dt tEC t4ulHOxcS anu laItleSI north the solstices. Observations made in many places seem to prove the correctness of the theory.
 Speaking upon the water supply of an. cient Roman towns, Prof. w. H. Corfeld has presented the Sanitary Institute of Great Brit. ain strong argument against attempts to purify water that has once become foul, com mending the wisdom of the Romans in draw ing the water for their towns from unques. tionably pure sources.
 In England is supported to some ex. tent the theory that direct relationship ex- ists between scarlet fever and diphthera and at recent meeting of a British medical association facts were presented which tended to show that scarlet fever had been con tracted from diphtheria patients, and diph. theria from scarlet fever patients.
 Scientific Societies The British Asso. citation for the advan cement of science was organized in 1851; the American association, in l84s; and the French association, in 1872. The members of each of these bodies include nearly every scientific man of its respective country, and much real progress undoubtedly results from the interchange of ideas at the annual meetings of the societies.
 The Telephone in Medicine.-A recen, interesting exhibition of apparatus in Paris by pr, Boudet, included notifications of the telephone adapting the instrument to Va. riety of medical uses. In one form the pull sations of blood vessels and all sorts of in- ternal operations were very strikingly made audible, the observer being able to hear at will the movements in any part of the body. Another telephonic appliance detected the presence of stones in the bladder, and even made known their character when present. pr. Boudet also employs the telephone as a measuring instrument for accurately estimat- ing the nervous and muscular excitement n the different phases of disease. Ancient tAstronomy.-About GAO B. C. Thales of Miletus taught the globular form of the earth, the five zones, some of the prin- cipal circles of the sphere, the opacity of the moon and the true causes of lunar eclipses, and predicted an eclipse. About 5o6 B. C., Pythagoras demonstrated, from the varying attitudes of the stars by change of place, tha, the earth must be round, that there might be antipodes on the opposite part of the globe, that Venus was the morning and evening star that the universe consisted of twelve spheres-the sphere oftAe earth, of the water, of the air, of fire, of the moon, of the sun, of Venus, of Mercury, of Mars, of Jupiter, Of Saturn and of the stars. In 2ao B. C., Ari;- tarchus of Samos maintained that the earth turned on its own axis and revolved about the sun, which doctrine was regarded by his contemporaries as SO absurd that he nearly lost his life.
 The Prosaic Present." The age of TO- nance in science," said Prof. J. P. Lesley in his presidential address to the American as sociation for the advancement of science, is part of the forgotten past. The new world has grown gray-headed in fifty years,