Proceedings of the American Association for the Advancement of Science, Volume 49John C. Clark, 1900 |
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acid Advancement of Science American animal anorthosites Association Boston Botanical Brooklyn C. B. DAVENPORT cells cent Charles Clinch River Clinchport College Columbia Columbus Committee competition Council criminal crystalline curve cylinder deposits determined ecdysis EIGENMANN endosperm fact feet gabbros galvanometer Geological gneisses grams graphite Group Henry increase interest investigation iridium J. J. Thomson John kathode rays large number less limestones Mass matter meeting ment metal metamorphism method miles milk Mode monopoly municipal natural observations obtained Ohio organization osmium paper party Permanent Secretary Ph.D plants Plate platinum Powell River present produced Prof pyroxene quantitative quartzites region rhodium rocks ruthenium scientific Section sediments species specimens spines stream temperature THEODORE GILL theory tion trap United Univ University variation Vice President Washington weight William wire York
Popular passages
Page xxvii - The objects of the Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science in different parts of America, to give a stronger and more general impulse and more systematic direction to scientific research, and to procure for the labors of scientific men, increased facilities and a wider usefulness.
Page 382 - BE IT FURTHER RESOLVED that copies of this memorial be dispatched to the President of the United States, to the President of the United States...
Page 81 - Without entering into details, I will give the conclusions I then arrived at in the very words I used: 1. The elements, if arranged according to their atomic weights, exhibit an evident periodicity of properties. 2. Elements which are similar as regards their chemical properties have atomic weights which are either of nearly the same value ( eg platinum, iridium, osmium ) or which increase regularly ( eg potassium, rubidium, caesium).
Page 359 - ... difficulties, and that for the present it is useless to discuss the advisability of establishing them, especially as there is another plan almost as efficient which obviates all of the objections just mentioned. THE TRUE POSITION OF THE PARTY. This brings us to the fourth and last suggestion, viz., the adoption by the national parties of municipal programs — the announcement of their position upon municipal questions. This is, I believe, the true position of the party in municipal politics....
Page 304 - Anything like a comprehensive treatment of this capture invention would far exceed the limits of this paper ; but it is interesting to note that fish-hooks are not found in many American areas — large regions are entirely devoid of them, and even in ancient mounds and works all such relics are wanting. No picture of a fish-hook is seen in any Mexican or Maya codex, and Von den Steinen notes the entire absence of fish-hooks from large places on the affluents of the Amazon. The simplest form of this...
Page xxxi - Council shall meet on the day preceding each annual meeting of the Association, and arrange the programme for the first day of the sessions. The time and place of this first meeting shall be designated by the Permanent Secretary. Unless otherwise agreed upon, regular meetings of the Council...
Page 308 - A sharpened blade was inclosed in a frozen mass of fat, and stuck up in a block of ice ; the wolf, licking the fat, cut its tongue ; the taste of the blood infuriated the animal, so that by licking the knife more it caused a larger flow of blood. All the other members of the pack were attracted to the same spot, devouring one another for the sake of the blood, till all were destroyed. Another form of edge-trap is found in Alaska, where the blades are attached to one end of a lever, the other end...
Page 306 - Elvas2 gives the following description of the trap among the Autiamgue tribes : With great springes which lifted up their feet from the ground, and the snare was made with a strong string, whereunto was fastened a knot of a cane, which ran close about the neck of the conie, because they should not gnaw the string.
Page 380 - It was announced that the following resolutions had been adopted by the Council : Resolved, That the American Association for the Advancement of Science, recognizing the importance of the preservation in its original condition of some portion of the hardwood forests of the Southern Appalachian region, respectfully petitions Congress to provide for the establishment in that region of a National Forest Reserve. RESOLUTION ADOPTED AND REFERRED TO THE COUNCIL BY SECTION G, JUNE 26, 1900.
Page 297 - American Indian," which has fastened itself on our literature despite the errors which it involves. DEFINITION OF THE TERM TRAP. A trap is an invention for the purpose of inducing animals to commit incarceration, self-arrest, or suicide. In the simplest traps the automatism is solely on the part of the animal, but in the highest forms automatic action of the most delicate sort is seen in the traps themselves, involving the harnessing of some natural force, current, weight, spring, and so on, to do...