HAY.] 



BIBLIOGRAPHY. 



Cope, E. D. Continued. 

 Notes on sabre-tooths. 

 Amer. Naturalist, xiv, p. 143. 

 New genus Pogonodon established. 



53 



1880 T 



1880 G 



A new Hippidium. 



Amer. Naturalist, xiv, p. 223. 



H. spectans, from Oregon, described. 



The skull of Empedodes. 

 Amer. Naturalist, xiv, p. 304. 



A new genus of Tapiroids. 

 Amer. Naturalist, xiv, pp. 382-383. 

 The genus Triplopus characterized. 



1880 H 



1880 I 



1880 F I Cope, E. D. Continued. 



The Manti beds of Utah. 

 Amer. Naturalist, xiv, p. 303. 



1881 A 

 On some new Batrachia and Replilia 



from the Permian beds of Texas. 



Bull. U. S. Geol. and Geog. Surv. Terr., vi, 



article ii, pp. 79-82. 



1881 B 

 On a wading bird from the Amyzon 



shales. 



Bull. U. S. Geol. and Geog. Surv. Terr., vi, 



article iii, pp. 83-85. 



Describes Charadrius sheppardianus. 



1881 C 



The structure of the Permian Gano- \ O the Nimravidx and Canidse of the 

 cephala. Miocene period. 



Amer. Naturalist, xiv, pp. 383-384. Bul1 - u - s - Geo1 - and Ge K- Surv - Terr -> vi . 



1880 K I artiCle IUt PP ' 16& ~ 181 - 



A new genus of Rhinocerontidae. 1881 D 



Amer. Naturalist, xiv, p. 540. On the Vertebrata of the Wind River 



The genus Pe.raceras established. Eocene beds of Wyoming. 



1880 L : Bull. U. S. Geol. and Geog. Surv. Terr., vi, 



Extinct Batrachia. article viii, pp. 183-202.. 



Amer. Naturalist, xiv, pp. 609-610. Brief notice in Amer. Naturalist, vol. xv, p. 



74 (Cope, 1881 CC). 



1880 J 



1880 M 



The genealogy of the American rhi- | " 

 noceroses. 



Amer. Naturalist, xiv, pp. 610-611. 

 The new genus Csmopus proposed. 



1880 N 



The bad lands of the Wind River 

 and their fauna. 



Amer. Naturalist, xiv, pp. 745-748. 

 Two new genera and nine new species pro- 

 posed. 



18800 



The northern Wasatch fauna. 

 Amer. Naturalist, xiv, p. 908. 



1880 P 



Traquair on Platysomidse.. 

 Amer. Naturalist, xiv, pp. 439-440. 

 Review of Traquair, 1879 A. 



1880 Q 



The Geological Record. 

 Amer. Naturalist, xiv, p. 512. 

 A notice of the Geological Record for 1877, 

 with citations of some errors. 



1880 R 



Marsh on Jurassic Dinosauria. 

 Amer. Naturalist, xiv, p. 302. 



1880 S 

 Remarks on fossil vertebrates from 



California. Elotherium, Mastodon ob- 

 scurus. 



Amer. Naturalist, xiv, p. 62. 



1881 E 

 Review of the Rodentiaoi the Miocene 



period of North America. 



Bull. U. S. Geol. and Geog. Surv. Terr., vi, 



article xv, pp. 361-386. 



1881 F 

 On the Canidse of the Loup Fork 



epoch. 



Bull. U. S. Geol. and Geog. Surv. Terr., vi, 



article xvi, pp. 387-390. 



1881 G 



The systematic arrangement of the 

 order Perissodactyla. 



Proc. Amer. Philos. Soc., xix, pp. 377-101. 



1881 H 



On some Mammalia of the lowest 

 Eocene beds of New Mexico. 



Proc. Amer. Philos. Soc., xix, pp. 484-495. 

 Issued also as Pal. Bull. No. 33. 



18811 

 On the origin of the foot structures 



of the Ungulates. 



Amer. Naturalist, xv, pp. 269-273, with 5 



figs, in the text. 



1881 J 

 On the effect of impacts and strains 



on the feet of Mammalia. 



Amer. Naturalist, xv, pp. 542-548, with 11 

 figs, in the text. 



