Proceedings of the Academy of Natural Sciences of Philadelphia, Volume 8Academy of Natural Sciences of Philadelphia, 1857 - Electronic journals "Publications of the Academy of Natural Sciences of Philadelphia": v. 53, 1901, p. 788-794. |
Other editions - View all
Common terms and phrases
abdomen Acad Academy anal anal fin Anolis antennæ anteriorly aperture apex barbels base beaks beneath Bibron bird black spots body breadth brown carinated caudal fin collected color compressed conical convex costæ Cretaceous curved Description distinct dorsal fin Duméril Duméril and Bibron Edward Hallowell elevated elongated elytra extremity flanks fossils genera genus head inches Isaac Lea John Cassin Joseph Leidy lævi larger lateral line Leidy lines of growth Locality and position longitudinal margin maxillary Meek & Hayden middle moderate molar Moreau river mouth narrow nearly Nebraska Nebraska Territory neck numerous oblique obtuse oval ovate Phila plates posterior posteriorly presented by Dr Proc Prof punctured ridge River rounded rows of scales shell sides slender slightly smaller smooth snout species specimens striæ surface marked suture tail teeth Testâ thorax tibiæ total length transverse upper valve ventrals volutions yellow yellowish