2. CHCEROPSIS. 



357 



Hippopotamus capensis, Desm. Journ. Phys. v. p. 854 ; Diet. Class. 



JS. N. viu. p. 222. 

 Hippopotamus senegalensis, Desm.JoMrw.PAj/s. V. p. 354; Diet. Class. 



H. N. Tiii. 222. 

 Hippopotamus abyssinicus, Lesson, Mamin. 

 Hippopotamus typicus et Hippopotamus australis, Duvernoy, L'ln- 



stUut, 1846, p. 333. 



Hob. North, South, West, and Central Africa. 



I have not been able to discover any diflference between the skuUs 

 received from South, North, or Central Africa. 



There is a foetus in spirits in the British Museum. — Crray, P. Z. S. 

 1868, p. 491, f. 2. 



Fig. 40. 



Foetus of Hippopotamus of the natural size. 



2. CHCEROPSIS. 



Cutting-teeth four in each jaw. 



Choeropsis, Leidy, Journ. Acad. JV. S. Philad. ii. 3. p. 207, 1853. 



? Diproctodon, Duvernoy, 1849. 



Tetraproctodon, sp., Falconer, Pal. Mem. ii. p. 405. 



Choeropsis liberieusis. B.M. 



Hippopotamus minor, Morton, Journ. Acad. iV. S. Philad. 1844, p. 14 ; 



Ann. 4- Mag. N. H. 1844, xiv. p. 75. 

 Hippopotamus liberiensis, Morton, Trans. Acad. N. S. Philad, 1849 ; 



Fror. Tagsher. 1860, p. 73 ; Duvernoy, Institvt, xvii. 1849, p. 299. 

 Choeropsis liberiensis, Leidy, Journ. Acad. If. S. Philad. 1853, p. 207, 



t. 21. 

 Hippopotamus (Tetraproctodon) liberianus, Gerrard, Cat. Bones B. M. 



p. 284. 

 Tetraproctodon liberiensis. Falconer, Pal. Mem. ii. p. 405. 

 Hippopotame de Liberie, Milne-Edwards Sf Alph. M.-Edw. Eecherches 



des Mammifires, 1868, t. 1. f. 2, 3 (animal and skeleton). 



Hab. "West Africa; Liberia (Jfortom). 



Cast of skull in British Museum, presented by G. S. Morton, Esq. 



