240 Tertiary. 



don aculeatus. Lophiotheriuyn pygmceum, Anostira cedemia, now Plas- 

 tomenus cedemius, A. molopina., now P. molopinus, A. trionychoides, 

 DOW P. trionychoides, Trionyx concentricus^ T. thomasi, now Plasto- 

 menus thomasi, Axes tics byssinus, Bcena hebraioa, Testudo hadriana, 

 uow Iladrianus corsoni, Emys polycyphus, E. terrestris, Helothe- 

 rium procyoninum,* Stypolophus pungens, Pantolestes longicaudus, 

 Pseudotomus Mans, Iladrianus octonarius, Iladrianus allabiatus,-\ 

 Protagras lacustris; from the Bad Lands of Black's Fork of Green 

 river, W\'oming, Stypolophus brevicalcaratus, S. insectivorus, Miacis 

 parvivorus, Tomitherium rostratum, iand Emys latilabiatus. 



He described, I from tlie Eocene of the upper waters of Bitter creek, 

 Wyoming, Synoplotherium lanius, Crocodilus clavis, Bhineastes pelta- 

 fiis, P. smithi, Loxolophodon cornutus,^ L. furcatus, L.j)ressicornis, 

 and Paloiosyops vallidens. From the northern part of the Eocene 

 basin of Green river, Anaptomorphus (e7iiulus,\ Crocodilus sublatus,^^\ 

 C. sulciferus, and Anostira radulina. From the lower beds of the 

 Green River Group, near Black Buttes, Alligator heterodon. From 

 the Wasatch Group, near Evanstou, Utah, Bathmodon radians,B. semi- 

 cinctus, Notharctus (now Hyracotherium) vasacciensis, Notomorpha 

 gravis, IT. testitdinea. From the Eocene, atOsino, 25 miles northeast of 

 Elko, Nevada, Trichophanes hians and Amyzon mentale. From the 

 Green River Group of Wyoming,** Erismatopterus rickseck&i i, and Os- 

 teoglossum, now Dapedoglossus encaustum. 



He described, from the Eocene of New Jersey,tf Lembonax propylmus, 

 L. insularis, and Thecachampsa serrata. And from the Miocene near 

 San Diego, California, Eschrichtius davidsoni. 



Prof. O. C. Marsh described, JJ from the Eocene near Fort Bridger, 

 and near Henry's Fork, Wj'oming, Paloiosyopis laticeps, Telmatheri- 

 ura validus, Hyrachyus princeps, Homacodon vagans, Lim- 

 nocyon verus, Viverravus gracilis, JTyctitherium velox, iV. priscus, 

 Talpavus nitidus, Limnofelis ferox, L. latidens, Limnocyon 

 riparius, L. agilis, Thinocyon velox, Viverravus (?) nitidus, Thino- 

 lestes anceps, Telmalestes crassus, Limnotherium ajfjne, Orohippus 



* Pal. Bull. No. 2, and Proc. Am. Phil. Soe. 

 ■'r Pal. Bull. No. 3, and Proc. Am. Phil. See. 

 X Pal. Bill. No. 6, and Proc. Am. Phil. Soc. 

 'i Pal. Bull. No. 7, and Proc Am. Phil. Soe. 

 II Pal. BuU. No. 8, and Proc. Am. Phil. Soc. 

 H Pal. Bull. No 9, and Proc. Am. Phil. Soc, vol. xii. 

 '•'■=•' IJ. S. Geo. Sur. of Wyoming, 

 tt Proc Acad. Nat. Sci., Phil. 

 tt Am. Jour. Sci. and Arts, 3d ser.. vol. iv. 



