20 



VERTEBKATA, 



imparts a peculiar physiognomy. The animal must have had a compound stomach , 

 though the teeth seem fitted for bruising and crushing the branches and twigs of 

 trees. The enamel is rugosely furrowed, and the inner crescent presents sinuous 

 plaited flexures. This fossil was discovered in the Valley of Markanda, among 

 the Sewalik Hills of India (supposed to be Miocene), and is now in the British 

 Museum. Size, 21x20. Price, with mountings, $15.00. 



No. 49. Sivatherium giganteum, Falc. and Caut. 



Skull and Lower Jaw (Female). This skull is smaller than that of the 

 male, and is hornless. Size, 19x16. Price, with mountings, $12.00. 



No. 50. Sivatherium giganteum, Falc. and Caut. 

 Fore-Legs. 



Size, 5 ft. 8 in. x 2 ft. Price, with mountings, $15.00 ; without mountings, $10. 



No. 51. BOS (BiSOIl) priSCUS, Bojanus. 



Cranium with Horn-cores. This ancient Bovine is the most nearly repre- 

 sented at the present day by the Aurochs of Lithuania. It is the Bison latifrons 

 of Leidy. The forehead is slightly convex, and the horns are very feebly curved. 

 This fossil was found in 1846, in a Pleistocene deposit, Department of Isere, 

 France, and belongs to the Museum of Natural History in Lyons. 



Size, 3 ft. 3 in. x 15 in. Price, $8.00. 



