Proceedings of the Academy of Natural Sciences of Philadelphia, Bind 9
Academy of Natural Sciences of Philadelphia, 1858
"Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794.
Hvad folk siger - Skriv en anmeldelse
Vi har ikke fundet nogen anmeldelser de normale steder.
Andre udgaver - Se alle
Acad Academy Acid American animal anterior aperture appears base belong beneath bird body broad brown Caput characters collection color containing Corpus Cretaceous dark dentibus deposits described Description distinct dorsal entire extending extremity feet formations fossils four front genera genus geological head inches Island known lævi Lands larger lateral lateralibus Leidy length less lignite Lime lines locality lower margin marked mentioned middle Missouri moderate mouth narrow natibus Natural nearly Nebraska North observed Ocelli plates poll portion position posterior posteriorly postice Presented by Dr Proceedings Prof publications referred region remains remarkable resembles River rock rounded rows scales Sciences seen shell short side slightly species specimens supra surface tail teeth Tertiary thickness UNIO upper valdè valvulis Wilson yellow
Side 222 - Notes explanatory of a map and section, illustrating the geological structure of the country bordering on the Missouri river, from the mouth of the Platte to Fort Benton in latitude 47° 30' N., longitude 110° 30
Side 184 - ... teeth; peristome heavy, broad, white, hardly reflected, near the basal extremity, quite on the edge, armed with two short, incurving teeth, separated by a small, rounded sinus ; on the columella there is a tooth-like...
Side 202 - Posterior extremity of the maxillary extending to a vertical line drawn across the anterior rim of the pupil.
Side 108 - ... of a dry twig under our feet; so religiously did he believe in their superhuman sagacity in discovering and avoiding danger. Thus assured, I took my gun, more from the influence of the habit of some months of seldom stirring from camp without it, than from any expectation of seeing a beaver. I followed the water to the outlet, while others took the bank ; here I stood watching the operations of those above, who had commenced removing the branches of cotton-wood which formed the covering of the...
Side 108 - I suspect the measurement would have been about three cords, or as many wagon loads, and so closely impacted that it was only after considerable labor that a breach was made. On the bank above was the area of stump-land where they had felled their timber, taking what was suitable from the most convenient distance. The large block presented this evening was cut from the largest log felled; the branches only were taken, leaving the trunk where it fell. Small saplings were taken entire. The smaller...
Side 124 - ... remarks respecting them, are allied to Wealden and older types. In the midst of evidence of such a conflicting nature, it is, of course, unsafe to express any very positive opinion respecting the age of these formations. At the same time we are strongly inclined to the conclusion that they will prove not merely Tertiary, but about of the age of the lowest beds of the Great Lignite basin, or perhaps a little older. We have therefore placed them provisionally along with the Tertiary beds in the...
Side 186 - ... simple, acute, ends approached, joined by a slight deposition of brownish callus over the parietal wall, reflected at the small and deep umbilicus.
Side 178 - China ; it has curious pectinated " appendages on the back, and the whole insect is covered with a white " powder, which is imparted to the stems of the plants it inhabits, and " from whose bark it is collected by the natives."!
Side 42 - somewhat short or brachycephalic, not ill-developed, nor remarkable for a small facial angle. The bones of the face, and especially the upper maxillaries, upright or orthognathous, but also rather short. The chin is usually prominent, the exterior surface of the upper maxillaries depressed, the nose abrupt and short, surmounted with a frowning eminence, marking the situation of the frontal sinuses. "\ Having thus determined the typical Celtic head-form, Dr. Davis disposes of the remarkable class...