242 Tertiary. 



la 1873, Prof. E. D. Cope* described, from the Bridger Group of 

 Bitter creek, and Cottonwood creek, Limnohyus Icevidens; from a bluff 

 on Green river, near the mouth of the Big Sandy, Wyoming, Palceosy- 

 ops fontinalis; from the summit of Church Butte, Trionyx heteroglyp- 

 tns;\ from the Bad Lands of Cottonwood creek, T. scutMmantiquum^ 

 Pappichthys plicatus, P. sclerops, P. Icevis, P. symphysis^ Hhineastes 

 radulus ; from Ham's Fork, Bcena ponderosa, C'lastes anax ; from the 

 Green River Group, near Evanston, Utah. Bathmodon latipes ; from 

 near Blaclc Buttes, Emys euthnetus, JS.megaulax, E.pachylomus; from 

 Upper Green river, Pappichthys corsoni, Rhineastes calvii.t, B. arcua- 

 tus; from Green river basin, J Antiacodon furcatus, now Sarcolemtir 

 fiircatus, Orotherium (now Hyj'acotherium) index; from Cottonwood 

 creek, 3Iicrosyops vicarius, Oligotomus cinctus ; from South Bitter 

 creek, Paramys lejjtodus., Eohasileus galeattis, Achamodon insolens, 

 from Henry- s Fork, Paloiosyops diaconus, Hyrachyus implicatus; from 

 near Evanston, Phenacodus primcBvus. 



He described, from the Miocene of Colorado,§ Byojosodus mini- 

 rmts, JTypertragulus calcaratus, H. tricostatus, and Menotherium 

 lemurinum; from the Miocene of the Western plains,| Aelurodon mus- 

 telimus, now Ifustela parviloba^ Aphelops megalodus, . Palmolagus 

 agapetillus,^ Golotaxis cristatvs, Hyracodon quadriplicatus., now An- 

 chisodon quadriplicatus, H. arcidens, Symborodon torvus, Miobasile- 

 us ophryas, Ifegaceratops acer, M. helocerus, Peltosaurus granulosus, 

 Testudo amphithorax., T. cultratus, T. laticuneus, T. ligonius, Domnina 

 gradata,** Herpetotheriiimfugax, Daptophilus squalidens, Tomarctus 

 brevirostris, Stibaru obtusilobus, Cants gregarius, Isacis (now 3Iio- 

 dectes) caniculm, Palceolagus triplex, P. turgidus, Tricium avimculus, 

 T. leporinum, T. paniense, Gymnoptyehus minutus, G. nasictits, G. 

 frilophus, Ajichithet'ium cimeatum, and Trimerodus cedrensis. 



Prof. O. C. Marshf f described, from the 'Eocene deposits of Wyoming 

 and Oregon, Dinoteras mirabilis, Orohippus agilis, Colonoceras agres- 

 tis, Dinoceras lucaris, Oreodon occidentalism Rhinoceras annectens 

 R. oregonensis, Tillotherium hyracoides ; from the Miocene of Colora- 



* Proc. Am. Phil. Soc, vol. xiii. 



t U. S. Geo. Sur., Wyoming, etc. 



X Pal. Bull. vol. xii. 



§ Proc. Acad. Nat. Sci 



I! Pal. Bull. vol. xiv. 



H Pal. Bull. No. XV. 



*- Pal. Bull. No. xvi. 



tt Am. Jour Sci. and Arts, r!d ser., vol. v. 



