The Principles of Biology, Volum 3

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D. Appleton, 1891
 

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Pàgina 598 - contrasting our Little Abode in Space and Time with the Infinities around us. To which are added Essays on the Jewish Sabbath and Astrology. 12mo. Cloth,
Pàgina 599 - striking manner, and we earnestly hope his excellent example may be followed in other branches of science." American Journal of Science. New York: D. APPLETON & CO., 1, 3, & 5 Bond Street. D. APPLETON & CO.'S PUBLICATIONS. DR. WB CARPENTER'S WORKS. PRINCIPLES OF MENTAL PHYSIOLOGY. WITH
Pàgina 595 - together in one consecutive account all the more important observations and results which have been yielded by this research."—Extract from Preface. "A profound research into the laws of primitive nervous systems conducted by one of the ablest English investigators. Mr. Romanes set np a tent on the beach and examined
Pàgina 500 - in the average of cases, be those in whom the power of selfpreservation is the least, it unavoidably follows that those left behind to continue the race, must be those in whom the power of self-preservation is the greatest—must be the select of their generation. So that, whether the
Pàgina 83 - in the words of Prof. Huxley, " the sponge represents a kind of subaqueous city, where the people are arranged about the streets and roads, in such a manner, that each can easily appropriate his food from the water as it passes along.
Pàgina 502 - by nearly thirty per cent, than the brain of the savage. Already, too, it presents an increased heterogeneity—especially in the distribution of its convolutions. And further changes like these which have taken place under the discipline of civilized life, we infer will continue to take place. But everywhere and always evolution is antagonistic to procreative dissolution.
Pàgina 500 - -«of the faculties needed to contend with them, and by the death of all men who fail to contend with them successfully, there is ensured a constant progress towards a higher degree of skill, intelligence, and self-regulation—a better co-ordination of actions—a more complete life.*
Pàgina 501 - hold their places and rear their families under the intensifying competition of social life, is, other things equal, the correlative of larger brain. Those higher feelings presupposed by the better self-regulation which, in a better society, can alone enable the individual to leave a persistent posterity, are, other things
Pàgina 595 - AND SEA-URCHINS. Being a Research on Primitive Nervous Systems. 12mo. Cloth, $1.75. • " Although I have throughout kept In view the requirements of a general reader, I have also sought to render the book of service to the working physiologist, by
Pàgina 486 - nor is it shown only in the earlier cessation of child-bearing; but it is also shown in the very frequent inability of such women to suckle their infants. In its full sense, the reproductive power means the power to bear a well-developed infant, and to supply that infant with the natural food for the natural period. Most of the flat-chested

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