Proceedings of the American Association for the Advancement of Science

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1888 - Science
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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 impulse and more systematic direction to scientific research, and to procure for the labors of scientific men increased facilities and a wider usefuiness.
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 xxiv - Science," for the purpose of receiving, purchasing, holdIng and conveying real and personal property, which it now is, or hereafter may be, possessed of, with all the powers and privileges, and subject to the restrictions, duties and liabilities set forth in the general laws which now or hereafter may be in force and applicable to such corporations.
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 191 - There does not exist a world-wide system nor a world-wide group, but every system and every group is local. The classification developed in one place is perfectly applicable only there. At a short distance away some of its beds disappear and others are introduced ; farther on its stages cannot be recognized ; then its series fail and finally its systems and its groups. If I have properly characterized stratigraphic systems — if they are both natural and local — it goes without saying that the...
Page 185 - With some an age includes several periods, with others a period includes several ages. There are even writers who ignore the distinction between stratigraphy and chronology ; and among the classifications submitted to the Congress is one in which an age is subdivided into systems. There is a manifest advantage in bringing order out of this chaos, and so great is the utility of uniformity and perspicuity that the decisions of the Congress in this regard will unquestionably be followed by future authors....
Page 211 - SECTION OF LOWER SILURIAN (ORDOVICIAN) AND CAMBRIAN STRATA IN CENTRAL NEW YORK, AS SHOWN BY A DEEP WELL NEAR UTICA. By CHARLES D. WALCOTT, US Geological Survey, Washington, DC [ABSTRACT.] THE speaker described a well, drilled to the depth of 2250 feet, on the farm of the late Hon.
Page 12 - ... 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." In the study of the eggs of birds of the same species, north and south, Dr. Allen shows that in the south the eggs are less in number and smaller in size.40 Mr. Robert Ridgway41 calls attention to the geographical variation observed in Dcndrccca.

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