File:Popular science monthly (1872) (14580439907).jpg

Identifier: popularsciencemo27newyuoft (find matches)
Title: Popular science monthly
Year: 1872 (1870s)
Authors:
Subjects: Science
Publisher: New York : D. Appleton
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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nts the constituents of the mold are cemented together in a kind of paste by enormous proportions — sometimes forty per cent—of nitrate of lime. The origin of these conditions is traced to the numerous mountain-caves, which are inhabited by legions ofbirds and bats, whence the streams carry the guano over extensive areas. OBITUARY NOTES. Dr. Henri Milne-Edwards, the eminent French naturalist, and the successor of Geoffroy St.-Hilaire in the chair of Zoologyat the Museum of the Academy of Sciences, died in Paris, July 29th, in the eighty-fifthyear of his age. A portrait and sketch ofhis life and works were published in Th ePopular Science Monthly for February, 1883. Robert von Schlagintweit, Professor of Geography and Ethnology at the Univei-sity of Giessen, has recently died, at theage of fifty-two. He was the youngest of three brothers who were commissioned bythe British East India Company, on the recommendation of Humboldt, to explore India and the mountain-regions of the north-west.
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HUBERT ANSON NEWTON. THE POPULAR SCIENCE MONTHLY. OCTOBER, 1885. NEW CHAPTERS IN THE WAEFARE OF SCIENCE. By ANDREW DICKSON WHITE, LATE PRESIDENT OF CORNELL UNIVERSITY. I. THE DOCTRINE OF COMETS. IN all the development of astronomy few things are more interesting than the growth of a true doctrine of comets. Hardly any-thing throws a more vivid light upon the danger of using isolated texts of Scripture to preserve beliefs which observation and thought have superseded, and upon the folly of arraying ecclesiastical poweragainst scientific discovery. Out of the ancient world had come a mass of beliefs regarding comets, meteors, and eclipses ; these were universally held to be por-tents sent directly from heaven for the warning of mankind. As tostars and meteors, they were generally thought to presage happy events, especially births of gods, heroes, and great men. ,So firmly rooted was this idea that we constantly find among the ancient nationsnotices of lights in the heavens heralding the birt

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