1080 MONOGRAPHS OF NORTH AMERICAN RODENTIA. 
1874.—Cope, E. D. Report on the vertebrate paleontology of Colorado. < Ann. Rep. U. 8. Geol. . 
Surv. Ter. for 1873, 1874, pp. 427-533, pll. i-viii (mammais). 
[Mammals passim, and pp. 456-459, 461-510, 518-532. Lcxvlophodon galeatus, Symborodon hypoceras, Acera- 
therium mite, Anchitherium exoletum, spp. nn.) 
Cope, BE. D. [Mastodon productus, Steneotiber pansus, spp.nn.] < Proc. Acad. Nat. Sci. Phila. 
1874, pp. 221-223. 
Cope, BE. D. Synopsis of the vertebrata of the miocene of Cumberland County, New Jersey. 
< Proc. Am. Philos. Soc. Phila. xiv, 1874, pp. 361-364. [List of mammals, p. 363—6 species. ] 
Gervais, P. Remarque au sujet du systtme dentaire de ai. < Journ. de Zool. t. 2, Paris, 1874, : 
pp. 434-436, pl. 18, figg. 1-2. ‘ 
Leidy, J. Notice of remains of Titanotherium. < Proc. Acad. Nat. Sci. Phila. 1874, pp. 165, 166, 
223. 
Marsh, O. C. Fossil horses in America. < Amer, Nat. viii, 1874, pp. 289-294, fige. 73-75. 
Marsh, O. C. On the structure and affinities of the Brontotheride. < Am, Journ. Sci. and 
Arts, 3d ser. vii, 1874, pp. 81-86, pll. i, ii. [Sp. nov. Brontotherium ingens. ] i 
Marsh, 0. C. Notice of new equine mammals from the tertiary formation. < Am. Journ. Sci. . 
and Arts, 3d ser. vii, 1874, pp. 247-258, with woodcuts. 
[Spp. nn. Orohippas major, Miohippus (uoy. gen.) annectens, Anchitherium anceps, A. celer, Plichippus (noy. 
gen.) pernix, P. robustus, P. avus, Anchippus»brevidens. } 
Marsh, O. C. Notice of new tertiary mammals. iii. < Am. Jonrn. Sci. and Arts, 3d ser. vii, 
1874, pp. 531-534, “ 
{Spp. nn. Marotherium (noy. gen.) gigas, M. leptonyx, Stylinodon (noy. gen.) mirus, Tillotheriam latidens, 
Elotherium bathrodon.) 
Marsh, O.C. On the structures and affinities of the Brontotheride. < Am. Nat. viii, 1874, 
pp. 79-835, pll. i, ii. 
{Published in part in the Am. Journ. Sci. and Arts, 3d ser. vii, Jan. 1874.] 
Marsh, 0. C. Small size of the brain in tertiary mammals. < Am. Journ. Sci. and Arts, 3d 
ser. vili, 1874, pp. 66, 67. 
Putnam, F. W. [Account of a blackfish taken in Salem Harbor, Mass.] < Bull. Essex Inst. 
vi, 1874, pp. 22-24. ; ' 
Anon. [Notice of fossil walrus skullfrom Accomac Harbor, Virginia.] < Proce. Am. Philos. Soc. 
Phila. xiv, 1874, pp. 17, 18. 
1875.—Cope, B.D. The feet of Bathmodon. < Proce. Acad. Nat. Sci. Phila. 1875, p. 73. 
Cope, E.D. The phylogeny of the camels. < Proc. Acad. Nat. Sci. Phila. 1875, pp. 261, 262. 
Cope, E.D. [On fossil lemurs and dogs from the eoceue deposits of the Rocky Mountains. ] 
< Proc. Acad. Nat. Sci. Phila. 1875, pp. 255, 256. [Sarcolemur, g.n.; Canis ursinus, sp. n. ] 
Cope, E.D. On some new fossil Ungulata. Abstract of remarks made before a meeting of the 
Academy of Nataral Sciences of Philadelphia. =Palwont. Bull. no. 19, June 28, 1875, pp. 
1-4; < Proc. Acad. Nat. Sci. Phila. 1875, pp. 258-261. 
{Spp. nn. Pliauchenia (gen. nov.) humphreysiana, P. vuleanorum, Hippotherium calamarium, Aphelops jame- 
zanus.} 
Cope, E.D. On the antelope-deer of the Santa Fé marls. < Proc. Acad. Nat. Sci. Phila. 1875, 
p- 257. . 
Cope, E. D. On the homologies of the sectorial tooth of carnivora. < Proc. Acad. Nat. Sci. 
Phila. 1875, pp. 20-23. 
Cope, B.D. On the supposed carnivora of the eocene of the Rocky Mountains. < Proce. Acad. 
Nat. Sci. Phila. 1875, pp. 444-448; = Paleont. Bull. no. 20, pp. 1-4, Dee. 22, 1875. 
Cope, B.D. Systematic catalogue of the vertebrata of the eocene of New Mexico collected in 
1874. < Geol. and Geogr. Exp]. W. 100 Merid. April 17, 1875, pp. 1-37. 
(Spp. nn., Ambloctonus (g. n.) sinosus, Prototomus secundarius, P. multicuspis, P. strenuus, Didymictis (g. n.), 
Diacodon (¢. n.) alticuspis, D. celatus, Pelycodus (g.n.) frugivorus, P. anzulatus, Pantolestes chacensis, Opisthoe 
tomus (g.n.) astutus, O. flagrans, Apheliseus (g. n.), Antiacodon mentalis, A. crassus, Hyrachyus singularis, 
Orohippus tapirinus, O. angustidens, O. cuspidatus, Bathmodon latidens, B. cuspidatus. Also, new order Ambly- 
poda proposed. ] 
Cope, E. D. The Wheeler geological survey of New Mexico for 1874. < Am, Nat. x, 1875, pp. 
49-52. [Relates chiefly te extinct mammalia. ] 
