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1849. — Geoffroy St.-HJaire, I. Rapport mr uu mf-moire do M. Pucherau : Monograpbio des espoces 



du genre cerf. <[Compte8 Rendus Acad. Sci. Paris, xxix, 1849, pp. 773-788. 

 Gray, J. E. On a very large roe-deer (C. leueotis), in the collection of the Earl of Derby. 



<Proc. Zool. Soc. London, xvii, 1849, pp. 64,65, pi. 12. 

 Morton, S. G. Additional observations on a new living species of hippopotamus. <Jouru. 



Acad. Nat. Sci. Phila. (2), i, 1849, art. xviii, pp. 231-239, pll. 32-34 ; Am. Jonrn. Sci. and Arts 



(2), viii. 1819, p. 152. 



Turner, H. N. On the evidences of affinity afforded by the skull in the ungulate mammalia. 

 <[Proc. Zool. Soc. London, xvii, 1849, pp. 147-158. 



Wyman, J. [On the foot of a species of musk (Moschus).] <^Proc. Boston Soc. Nat. Hist, iii, 

 1849, p. 203. 



[The species was a Tragulcs.J 



1850. — Gray, J. E. Knowsley Menagerie. Gleanings from the menagerie and aviary at Kuowsley 

 Hall. Hoofed quadrupeds. Folio, pll. 59. Knowsley, 1850. 

 Gray, J. E. Synopsis of the species of deer (Cervina), with the description of a new species in 



the gardens of the .society. <[Proe. Zool. Soc. Loudon, xviii, 1850, pp. 222-242, pll. 22-28. 

 Morton, S. G. [On Mr. Layard's plates of the camel and dromedary from ruins of Nineveh.] 



< Proc. Acad. Nat. Sci. Phila. v, 1830, p. 84~ 



Sundevall, C. J. Methodische Uebersieht der wiederkaueudeu Thiere. Liune's Pecora. 



<Hornschuch's Arch. Skaud. Beit, zur Naturg. ii, 1850, pp. 78-160,291-320. 

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 Turner, H. N. On the generic subdivision of the Bovida;, or hollow-horned ruminants. <^ Proc. 



Zool. Soc. London, xviii, 1850, pp. 164-178. 

 1851. — Leidy, J. [On some fossil ruminants, i.e. Oreodon, from Nebraska.] <^ Proc. Acad. Nat. Sci. 



Phila. v, 1851, pp. 237-239. 

 1852. — De Kay, J. E. The moose, Cervus Alces. [Abstract from Zoology of New York.] < Fifth Ann. 



Rep. Reg. Univ. N. Y. 1852, pp. 29-31, with pi. 

 Goubaux, A. Me'moire sur les cotyledons uterins des femelles des auimaux ruminants domesti- 



ques. <[ Comp. Rend, et Mem. Soc. de Biol, iv, 1852, pp. 275-296. Apart : Paris, impr. Thenot, 



1853. 8°. 24 pp. 

 Le Conte, J. Notice of a fossil Dicotyle from Missouri. < 'Pun . lead. Nat. Sei. Phila. vi, 



1852, pp. 5,6. 

 Le Conte, J. Notes on some fossil suiline pachyderms from Illinois. <[ Proc. Acad. Nat. Sci. 



Phila. vi, 1852, pp. 3-5. 

 Leidy, J. Memoir on the extinct species of American ox. 4°. 20 pp., 5 pll. < Smithsonian 



Contributions to Knowledge, vol. v, art. 3, 1852. 



Leidy, J. On the osteology of the head of hippopotamus, and a description of the osteological 

 characters of a new genus of Hippopotamid;e. < Journ. Acad. Nat. Sci. Phila. ii, 1852, art. 

 xxii, pp. 207-224, pi. 21. 



Leidy, J. [On two crania of extinct species of ox — Bootherium bombifrons and B. cavifrons.] 



< Proc. Acad. Nat. Sci. Phila. vi, 1852. p. 71. 



Leidy, J. [Proposition to geuerically separate, as Choerodes, the Hippopotamus liberieusis, 

 Mortirn.] < Proc. Acad. Nat. Sci. Phila. vi, 1852, p. 52. 



Leidy, J. [Remarks on the fossil ox — Bison latifrous and B. antiquus.] <^ Proc. Acad. Nat, 

 Sci. Phila. vi, 1852, p. 117. 



Leidy, J. [Remarks on the species of hippopotamus.] < Proc. Acad. Nat. Sci. Phila. vi, 1852, 

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Pucheran, J. Monographic des especes du genre cerf. < Archives Mas. Hist. Nat. Paris, vi, 

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1853. — Leidy, J. A memoir on the extinct Dicotylina? of America. 1852. <[ Trans. Am. Philos. Soc. 

 Phila. n. s. x, 1853, art. xxiii, pp. 323-343, pll. 35-38. 



1854. — Adam, W. On the osteological relations observable among a few species of the bovine fam- 

 ily. <^Proc. Linn. Soc. ii, no. lviii, 1854, p. 332; Trans. Linn. Soc. xxii, 1854, pp. 237-241. 

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