The American Naturalist, Volume 28Essex Institute, 1894 |
Contents
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Common terms and phrases
acid acquired characters adenin American anagenetic animal Annelids antennæ appear appendages Arachnids Arthropoda birds body Bull cells chemical Chilopods Class cleavage cœlom color coxal glands Cretaceous Crossbill Crustacea crystals described dorsal drift ectoderm embryo energy evolution Extr fact fauna feet formation fossil fungi gastrula genera genus Geological germ Glacial glands Hexapods hydroid Indiana insects Island karyoplasm known Lake larva larvæ latter layer length Limulus mineral Miocene molar Myriapoda NATURALIST nature nephridia neuromeres North notes nuclein nucleus observations organs origin pair paper peculiar physiology plants plates posterior premolar present Proceeds Prof Professor proteid protoplasm quartz recent regarded region reported River rocks shell shell-heaps side somites species specimens strawberry structure surface Surv Teleoceras theory tion tissues Trilobites U. S. Geol U. S. Natl upper Weismann Zool
Popular passages
Page 361 - Printing-House, between the hours of ten in the morning and two in the afternoon, to preach eight Divinity Lecture Sermons, the year following, at St.
Page 543 - August all lines whose northern termini were in this city (Louisville) were entirely withdrawn, and thenceforward, until after the Board of Health had declared it safe for...
Page 660 - Can it, then, be thought improbable, seeing that variations useful to man have undoubtedly occurred, that other variations useful in some way to each being in the great and complex battle of life, should sometimes occur in the course of thousands of generations...
Page 660 - On the other hand, we may feel sure that any variation in the least degree injurious would be rigidly destroyed. This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest...
Page 919 - ... It is impossible not to admit, from all these results, that some great force acts upon and masters the patients, and that this force appears to reside in the magnetizer. This convulsive state is termed the crisis. It has been observed that many women and few men are subject to such crises; that they are only established after the lapse of two or three hours, and that when one is established, others soon and successively begin.
Page 549 - for the advancement and prosecution of scientific research in its broadest sense," now amounts to $25,000. As the income is already available, the trustees desire to receive applications for appropriations in aid of scientific work. This endowment is not for the benefit of any one department of science, but it is the intention of the trustees to give the preference to those investigations...
Page 478 - ... parts by the accepted methods of physics and chemistry, carrying this investigation as far as the conditions under which each process manifests itself will permit; on the other those who interest themselves rather in considering the place which each organism occupies, and the part which it plays in the economy of nature. It is apparent that the two lines of inquiry, although they equally relate to what the organism does, rather than to what it is, and therefore both have equal right to be included...
Page 204 - A member of the Anthropological Society of Washington "has placed in the hands of the Treasurer of the Society a "sum of money to be awarded in prizes for the clearest "statements of the elements that go to make up the most "useful citizen of the United States, regardless of occupation.
Page 780 - Congress. 501 Books, maps, music, engravings, photographs, etchings, bound or unbound, and charts which shall have been printed more than twenty years at the date of importation, and all hydrographic charts and publications issued for their subscribers, or exchanges by scientific and literary associations or academies, or publications of individuals for gratuitous private circulation, and public documents issued by foreign governments.
Page 920 - ... which strikes our senses. At the same time they are compelled to add, since it is an important observation, that the contact and repeated excitement of the imagination which produce the crises may become hurtful ; that the spectacle of these crises is likewise dangerous on account of the imitative faculty which is a law of nature, and consequently that all treatment in public in which magnetism is employed must, in the end, be productive of evil results.