Proceedings of the American Association for the Advancement of Science (Google eBook)

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s.n.], 1888 - Science
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Page 16 - ... that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed in a most conspicuous position namely, at the close of the Introduction the following words : "I am convinced that natural selection has been the main but not the exclusive means of modification.
Page xxv - 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 impnlse and more systematic direction to scientific research, and to procure for the labors of scientific men Increased facilities and a wider usefulness.
Page 299 - ... of the glacial epoch and this theory appears to be that now most agreeable to anthropologists then the earliest Americans made their advent on this continent as immigrants. This is our first fact in their pre-historic chronology ; but before we can assign it an accurate position on the scale of geologic time, we must await more complete discoveries than we now have at our command. We must also wait until our friends the geologists have come to some better understanding among themselves...
Page 37 - Race" in which he shows by tables a series of generations of certain families in which the progenitors being deaf mutes this peculiarity becomes perpetuated in many of the descendants. Recognizing fully the laws of heredity, natural selection, etc., he shows that the establishment of deaf-mute schools, in which a visual language is taught which the pupils alone understand tends to bring them into close...
Page 165 - In isotropic media the magnetic induction depends on the magnetic force in a manner which exactly corresponds with that in which the electric current depends on the electromotive force.
Page 33 - I speak as a man of science the Roman Catholic Church, the one great spiritual organization which is able to resist, and must, as a matter of life and death, resist, the progress of science and modern civilization, manages her affairs much better.
Page 334 - ... justification of this policy. Their schoolhouses and churches, their shops and factories, their roads and bridges, their railways and warehouses, are the fruits of the characteristic American agriculture of the past. But from a time not far distant, if indeed it has not already arrived, a continuance in this policy will be, not the improvement of our patrimony, but the impoverishment of our posterity.
Page 23 - On Critical Periods in the History of the Earth and their Relation to Evolution : and on the Quaternary as such a Period, " may be found an excellent rejoinder of Prof.
Page 12 - The largest species of a group (genus, sub-family, or family, as the case may be) are found when the group to which they severally belong reaches its highest development, or when it has what may be termed its centre of distribution. 3. The most typical or most generalized representatives of a group are found also near the centre of distribution, outlying forms being generally more or less aberrant or specialized.
Page 51 - Bibliography of. By Edw. J. Hallock. Appendix E to Report on Glucose prepared by the National Academy of Sciences in response to a request made by the Commissioner of Internal Revenue. US Internal Revenue, Washington, DC, 1884.

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