Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 19American Philosophical Society, 1882 |
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Загальні терміни та фрази
abscissas æthereal AMER American Philosophical Society apex arcuate base basin belt cañon Carboniferous centre character Clinch river Coal bed condensation Conglomerate Cope creek crest cusp density depth distance drift Dundas valley Earth's semi-axis major Egyptian Elytra escarpment feet fossils genus Geological Grand river gravitating harmonic Hebrew hind angles Hunter Valley inch intervals Jupiter Jupiter's Lake Erie Lake Huron Lake Ontario Length Lesley letter limestone locus Lower mass mean miles Moccasin ridge molars nearly nebular Niagara North Fork orbital oscillation Pennsylvania Philadelphia PHILOS photodynamic planetary Poor Valley ridge portion posterior Powell mountain premolar present probably PROC Prof pubescent punctures radius ratio represented rocks rotation sandstone seen shales shown side solar species specimens Stone mountain Sun's superior molars surface tarsi thick thorax tibiæ tion transverse true molar upper velocity of light vis viva viva Wallen's ridge
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Сторінка 575 - We have now to shew that the properties of the electromagnetic medium are identical with those of the luminiferous medium. To fill all space with a new medium whenever any new phenomenon is to be explained is by no means philosophical, but if the study of two different branches of science has independently suggested the idea of a medium, and if the properties which must be attributed to the medium in order to account for...
Сторінка 595 - Even though we should feel ourselves compelled to reject the idea of a gaseous, or vaporous, nebulous matter, it loses little or none of its force. Subsidence and the central aggregation consequent on subsidence, may go on quite as well among a multitude of discrete bodies under the influence of mutual attraction, and feeble or partially opposing projectile motions, as among the particles of a gaseous fluid.
Сторінка 524 - ... anatomical nomenclature.* Although many of the terms proposed may never be adopted, others which are obviously appropriate, definite, and concise are rapidly coming into use. A few terms of this class are introduced into this report. The position and direction of all parts and organs are referred to an imaginary plane dividing the body into approximately equal right and left halves. This middle plane or any line contained therein is designated as the meson. The corresponding adjective is mesal,...
Сторінка 399 - And in those times there was no peace to him that went out, nor to him that came in, but great vexations were upon all the inhabitants of the countries.
Сторінка 298 - Brantford the valley is bounded by a somewhat level plateau. At Paris, Neith's creek enters the Grand river from the west, and has a valley almost comparable in size with that of the latter at this town. At Paris, the Grand river cuts through the plaster-bearing Onondaga formation. Similar rocks appear at various places along the river, at places where the river has cleaned out a portion of one side of its ancient valley. At the Great Western Railway crossing, east of Paris the bed of the river has...
Сторінка 610 - Zaki-nima-tzyiz was the name of an old woman, his wife, all bent and doubled up with age, but both beings of marvelous magic power. Thus we find here an almost unique example of the deification of the hog ; for once, this useful animal, generally despised in mythology and anathematized in religion, is given the highest pedestal in the Pantheon.
Сторінка 322 - ... escarpment. If any glacier could have scooped out the basins of Lake Ontario, it left the summit edges of the Niagara escarpment as sharp as possible, and not planed off. Also, if it excavated the deep trough of the lake, it left the summit of soft Medina shales over the harder Hudson river rocks of the submerged escarpment, beneath which are Utica shales.
Сторінка 576 - If one part of any system connected either by material ties, or by the mutual attractions of its members, be continually maintained by any cause, whether inherent in the constitution of the system or external to it, in a state of regular periodic motion, that motion will be propagated throughout the whole system, and will give rise, in every member of it, and in every part of each member, to periodic movements executed in eijual periods with that to which they owe their origin, though not necessarily...