Issue: 18740901

Tuesday, September 1, 1874
SEPTEMBER, 1874
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Wednesday, October 29, 2014

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THE POPULAR SCIENCE MONTHLY.
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NATURAL HISTORY OF MAN.
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BE QUATREFAGES
GENTLEMEU : I resume my discourse for the fifth time on the same subject. You have already, on four different occasions, studied man ; and, again, man is the subject of this lecture. On the preceding occasions I ran over some of the general questions that arise concerning the history of the human race.
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THE PHOTOSPHERE AND SUN—SPOTS.
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PROF. S. P. LANGLEY
WHY is it that almost any one who was offered the opportunity of witnessing an eruption of Etna, or the effects of a tropical cyclone, would embrace such an occasion with eagerness, while phenomena so similar in kind, and on so far grander a scale, visible daily on the surface of the sun, excite a comparatively feeble interest in all but those devoted to their study ?
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FERMENTS, FERMENTATIONS, AND LIFE.
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FERNAND PAPILLON.
UNTIL very lately, all fermentations were supposed to be produced by the spontaneous decomposition of organic matter within a fermentable liquid. It was said that on contact with air this organic matter undergoes a special change which gives it the character of leaven, and this was regarded as an agent having the power of spreading decomposing movement.
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BIRDS-OF-PARADISE.
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JAMES H. PARTRIDGE
THE Birds-of-Paradise are a small, but renowned family. They received their name from the idea, entertained at one time, that they inhabited the region of the Mosaic paradise. They live in a small locality in Australasia, including Papua or New Guinea, and a few adjacent islands.
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THE CHAIN OF SPECIES.
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HON. LAWRENCE JOHNSON
ANOTHER plan, however, is proposed, which seeks to connect Annulosa and Mollusca as successive stages in the progress of evolution from the simplest types and stages necessary to be taken in order to reach the highest development. This is the chain : Evolution of Protozoa directly into Annulosa ; or first into the cælenterate type and these into the annulose, either of which routes seems feasible and easy ; then Annulosa into Mollusca ; and then Mollusca into Vertebrata.
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THE ZUNI INDIANS OF NEW MEXICO.
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ANOTHER interesting branch of the aborigines of North America is that of the Zuni, a thriving tribe, inhabiting a remote section of the Western United States. This people belongs to the Pueblos, a semi-civilized remnant of the Aztec Empire.
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FOOD, AND THE DEVELOPMENT OF MAN.
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OTTO ULE.
THE progress of science does not consist merely in the discovery of new facts and the enlargement of our knowledge, or even in the ingenious conclusions thence drawn, and which, from their universality, acquire the character of laws ; its mightiest work is the change it brings about in our fundamental conceptions, and the consequent revolution in science itself.
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MATERIALS OF THE SCIENCE OF LAW.1
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SHELDON AMOS
IN order to ascertain what are the materials of the Science of Law, it will be well to cast a glance at the subject-matter, in its rudest and most inartificial shape, to which the science relates. For this purpose the case may be taken of a nation in what may be called the early manhood of its life, after all the early struggles for its self-conscious existence, or for its independence, are over; and yet, before it has developed within itself all the complicated machinery of a highly-organized commercial and social life.
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THE ALLEGED ANTAGONISM BETWEEN GROWTH AND REPRODUCTION.
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REV. ANTOINETTE BROWN BLACKWELL.
THE supposed law of inverse relations between growth and reproduction was first announced, I think, by Dr. Carpenter; but adopted independently by Mr. Spencer, whose elaborate, forcible arguments have done much to convince many physiologists that a principle so well established may be accepted without further question.
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THE NOBILITY OF KNOWLEDGE.1
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JOSIAH P. COOKE
WITHIN a comparatively few years schools for the instruction of artisans have become a prominent feature in the educational systems both of this country and of Europe, and seem destined to supersede the old system of apprenticeships. The establishment of these schools has been an important step in human progress, not because any great advantage has been gained in the cultivation of mechanical skill, but because here the future mechanic acquires culture of the mind as well as skill of the hand.
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SKETCH OF DR. J. L. LE CONTE.
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THIS gentleman was elected, at the Portland meeting, last year, President of the American Association for the Advancement of Science for 1874, and will preside at the twenty-third session, to be held at Hartford, Conn., commencing August 12th.
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CORRESPONDENCE.
CURIOUS ACTION OF MUCILAGE ON GLASS.
“EXFOLIATED GLASS.
“CURIOUS EFFECT OF GELATINE UPON GLASS.
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THE article on “The Action of Sunlight on Glass,” published in THE POPULAR SCIENCE MONTHLY for May, has elicited from Dr. F. Hollick, of this city, inquiries concerning the large plate-glass window of 104 Broadway, which is very much disfigured.
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EDITOR’S TABLE.
THE DUST OF THE UNIVERSE.
THE OXYGEN CENTENMAL.
RECENT PROGRESS IN THE HIGHER EDUCATION.
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THE comet has come and gone, and again raised the perplexing question as to what such bodies are made of, and what are the most subtile forms of matter diffused through the celestial spaces. Of the great moving masses which compose our own system, from the sun—1,000,000 times larger than the earth — to the little asteroids—250 miles in diameter—and from these down to the meteorites of a few pounds in weight, which strike the earth, we have become quite familiar, while spectrum analysis has carried us a long way toward the conclusion that there is a unity in the material composition of the universe.
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LITERARY NOTICES.
PUBLICATIONS RECEIVED.
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LOGIC, INDUCTIVE AND DEDUCTIVE. By ALEXANDER BAIN, LL. D., Professor of Logic in the University of Aberdeen. New and Revised Edition. 731 pages. Price, $2.00. D. Appleton & Co. FROM Aristotle, the father of the science, to the present day, logic has been one of the leading elements of a liberal education.
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MISCELLANY.
NOTES.
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Coggia's Comet.—The comet which lately made such a grand display in our northern heavens was discovered by Coggia, at Marseilles, on April 17th. When first seen, the nucleus and coma together had a diameter of 100,000 miles, the comet being then 133.000. 000 miles from the earth, and 153.000. 000 from the sun.
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