Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Volúmenes12-13American Philosophical Society, 1873 |
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American Philosophical Society angle animal articular face articular surface Arvicola base bone caudal centre centrum cervical character Chase Clidastes coal bed concave convex Cope cranium Creek Cretaceous crown curved dentary depth described diameter distal dorsal edge elevated elongate Eocene exhibit external extremity feet femur fossil genera genus Geological groove growth force Hadrosaurus humerus Ichthyodectes inches incisor inferior inner iron latter Leidy Length Lesley limestone Liodon longitudinal lower lunar margin maxillary miles mind molar Mosasaurus Mountain nature nearly neural neural canal oblique observations obtuse orbital oscillation osteophytes outcrop outer Philadelphia plane planetary plastron plate Portheus portion posterior premaxillary premolar present Prof Protostega quadrate bone rainfall ramus ridge River rock sandrock sandstone shaft shales side Silurian solar species specimen spine superior suture teeth thick thickened tion tissue titanic acid tooth transverse tubercle Valley vertebræ vertical
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Página 218 - And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years: And let them be for lights in the firmament of the heaven to give light upon the earth: and it was so.
Página 300 - All flesh is not the same flesh; but there is one kind of flesh of men, another flesh of beasts, another of fishes, and another of birds.
Página 362 - Even those manifestations of intellect, of feeling, and of will, which we rightly name the higher faculties...
Página 568 - Civil engineering is the art of directing the great sources of power in nature to the use and convenience of man"; but at the present time I contend that Thomas Tredgold's definition is insufficient.
Página 288 - ... livia), including under this term several geographical races or sub-species, which differ from each other in the most trifling respects. As several of the reasons which have led me to this belief are in some degree applicable in other cases, I will here briefly give them.
Página 298 - The homological construction of the whole frame in the members of the same class is intelligible, if we admit their descent from a common progenitor, together with their subsequent adaptation to diversified conditions. On any other view, the similarity of pattern between the hand of a man or monkey, the foot of a horse, the flipper of a seal, the wing of a bat, etc., is utterly inexplicable.
Página 290 - Altogether at least a score of pigeons might be chosen, which, if shown to an ornithologist, and he were told that they were wild birds, would certainly be ranked by him as well-defined species.
Página 362 - If the properties of water may be properly said to result from the nature and disposition of its component molecules, I can find no intelligible ground for refusing to say that the properties of protoplasm result from the nature and disposition of its molecules.
Página 368 - I can discover no logical halting-place between the admission that such is the case, and the further concession that all vital action may, with equal propriety, be said to be the result of the molecular forces of the protoplasm which displays it. And if so, it must be true, in the same sense and to the same extent, that the thoughts to which I am now giving utterance, and your thoughts regarding them, are the ex•pression of molecular changes in that matter of life which is the source of our other...
Página 214 - Almost all its conclusions stand in open and striking contradiction with those of superficial and vulgar observation, and with what appears to every one, until he has understood and weighed the proofs to the contrary, the most positive evidence of his senses.