Proceedings of the American Association for the Advancement of Science, Τόμος 21

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Σελίδα 115 - Moving now slowly, but dispensing its genial influences more freely, it finally meets the British Islands. By these it is divided, one part going into the polar basin of Spitzbergen, the other entering the Bay of Biscay, but each with a warmth considerably above the ocean temperature.
Σελίδα xv - 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 usefulness.
Σελίδα xxii - AM, unless otherwise ordered. The Standing Committee shall also meet on the evening preceding the first assembling of the Association at each annual meeting, to arrange for the business of the first day, and on this occasion three shall form a quorum. 9. Associate members may be admitted for one, two, or three years, as they shall choose at the time of admission, — to be elected in the same way as permanent members, and to pay the same dues. They shall have all the social and scientific privileges...
Σελίδα 115 - With this temperature, it crosses the 40th degree of north latitude, and there, overflowing its liquid banks, it spreads itself out for thousands of square leagues over the cold waters around...
Σελίδα 192 - His facts have referred mainly to Coniferce and Amentacece, although not confined to them. The hesitation felt by many minds in regard to the acceptance of the above proposition has originated chiefly from the familiarity of the principle that "there is a certain degree of antagonism between the nutritive and the generative functions, the one being executed at the expense of the other ; " along with the weight of some very familiar facts concerning the generally greater size * Proc.
Σελίδα 14 - had introduced and familiarized the scientific world with those now current ideas respecting the history and vicissitudes of species with which I attempted to deal in a moderate and feeble way. My speculation was based upon the former glaciation of the northern temperate zone, and the inference of a warmer period preceding and perhaps following.
Σελίδα 61 - it in 1845, and was so much struck with its defects, although it had been recently erected, that he notified the authorities in regard to them. A few years afterwards it gave way when troops were marching over it.* A few years ago, a terrible disaster befell a battalion of French infantry, while crossing the suspension -bridge at Angiers, in France. Reiterated warnings were given to the troops to break into sections, as is usually done. But the rain was falling heavily, and, in the hurry of the moment,...
Σελίδα 6 - ... long-lived antediluvians of scripture, to hand down to us, through a few generations, the traditions of centuries, and so tell us somewhat of the history of their race. Fifteen hundred annual layers have been counted, or satisfactorily made out, upon one or two fallen trunks. It is probable that close to the heart of some of the living trees may be found the circle that records the year of our Saviour's nativity. A few generations of such trees might carry the history a long way back.
Σελίδα 3 - Redwood — including in that name the two species of "big-trees" — belongs to the general Cypress family, but is sui generis. Thus isolated sytematically, and extremely isolated geographically, and so wonderful in size and port, they more than other trees suggest questions. Were they created thus local and lonely, denizens of California only ; one in limited numbers in a few choice spots on the Sierra Nevada, the other along the coast range from the Bay of Monterey to the frontiers of Oregon ?...
Σελίδα 240 - ... the antiquary; that they were gradually superseded and crowded out by a superior race, who adopting many of their customs continued to build mounds and to bury their dead in mounds already built. Hence we find mound-builders with skulls of this ancient form associated with others of more modern type. " The discovery of these skulls with characteristics so much like those of the most ancient of pre-historic types of Europe would seem to indicate that if America was peopled by emigration from the...

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