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acquired characters acquired variations acters action adapted adult animals and plants average become birds body breeding cells centrosome certainly changes chemical compound chromosomes conception conclusion congenital characters congenital variations course cross-breeding Darwin definite lines descent determinate variation difficulty direct discontinuous variation discussion disuse divergence divergent evolution duced effect environment evident fact fittest forces germ plasm germ substance germinal groups habit hap-hazard hereditary influence inheritance of acquired instincts isolation Lamarckian factors Lamarckism large number living matter mean method of evolution modified natural selection naturalists number of individuals occur offspring organic evolution origin of species parents principle problem produced protoplasm question race recognized regard reproductive result scientists sexual reproduction sexual union simply specific characters spermatozoon starfish structure struggle for existence study of variation supposed survival theory of heredity tion to-day variations appear vidual Weismann Weismann's theory
Page 410 - Earth Sculpture ; or, The Origin of Land-Forms. By JAMES GEIKIE, LL.D., DCL, FRS, etc., Murchison Professor of Geology and Mineralogy in the University of Edinburgh ; author of " The Great Ice Age,
Page 410 - Springfield Republican. 6. — Bacteria : Especially as they are related to the economy of nature, to industrial processes, and to the public health. By GEORGE NEWMAN, MD, FRS (Edin.), DPH (Camb.), etc., Demonstrator of Bacteriology in King's College, London. With 24 micro-photographs of actual organisms and over 70 other illustrations. 8°, $2.00.
Page 409 - The results of modern science are of use in nearly every profession and calling, and are an essential part of modern education and culture. A series of scientific books, such as has been planned, should be assured of a wide circulation, and should contribute greatly to the advance and diffusion or scientific knowledge.
Page 410 - The Basis of Social Relations. A Study in Ethnic Psychology. By DANIEL G. BRINTON, AM, MD, LL.D., Sc.D., Late Professor of American Archaeology and Linguistics in the University of Pennsylvania ; Author of "History of Primitive Religions," " Races and Peoples," " The American Race,
Page 410 - New Haven Leader. 3. — Rivers of North America. A Reading Lesson for Students of Geography and Geology. By ISRAEL C. RUSSELL, Professor of Geology, University of Michigan, author of ** Lakes of North America," ** Glaciers of North America,'* *' Volcanoes of North America,
Page 409 - Columbia University, with the cooperation of FRANK EVERS BEDDARD, FRS, in Great Britain. Each volume of the series will treat some department of science with reference to the most recent advances, and will be contributed by an author of acknowledged authority. Every effort will be made to maintain the standard set by the first volumes, until the series shall represent the more important aspects of contemporary science. The advance of science has been so rapid, and its place in modern life has become...
Page 409 - The Science Series Edited by Professor J. MCK.EEN CATTELL, Columbia University, with the cooperation of FRANK EVERS BEDDARD, FRS, in Great Britain. Each volume of the series will treat some department of science with reference to the most recent advances, and will be contributed by an author of acknowledged authority. Every effort will be made to...
Page 410 - ... scientific treatment we know of of the origin and development of land-forms, and we immediately adopted it as the best available text-book for a college course in physiography. . . . The book is full of life and vigor, and shows the sympathetic touch of a man deeply in love with nature."— Science.
Page i - Review of the Present Attitude of Science toward the Question of the Laws and Forces which have brought about the Origin of Species, 1900 : pp.
Page 72 - ... survival of the fittest, and of these that are thus killed doubtless some are superior to those that survive. This principle of indiscriminate elimination does not in the slightest deny the force of the principle of survival of the fittest, but only indicates that its action is not absolutely rigid. The fittest do not always survive, for many of them are destroyed.