48 



UNGULATA. 



M. 2878. The upper portion of an immature cranium. Figured by 

 {Fig.) Falconer and Cautley, op. cit. pi. xxxix. figs. 4-6. 



Cauiley Collection. Presented , 1842. 



Mastodon sivalensis. — Skull, restored ; from the Pliocene of the Siwalik Hills. 

 T \. (After Gaudry's ' Les Enchainements.') 



M. 2881. Cast of the middle portion of the cranium, showing m. 2 

 and m. 3 (imperfect) of both sides. The original (of which 

 the place of preservation is not known) is figured by Fal- 

 coner and Cautley, op. cit. pi. xxxiv. fig. 1, and pi. xxxix. 

 fig. 7. The columns of the third true molar (which appa- 

 rently had six ridges) are arranged less alternately than 

 usual, and in this respect resemble a specimen figured 

 by the present writer in the ' Palseontologia Indica/ 

 ser. 10, vol. i. pi. xliv. fig. 1. No history. 



M. 2861. Fragment of the left half of the cranium of a young indi- 

 (Fig.) vidual, showing the broken mm. 4 and m. 1 . Figured by 

 Falconer and Cautley, op. cit. pi. xxxvi. figs. 2,2 a. A 

 more perfect example of mm. 4 is figured by the present 

 writer, op. cit. pi. xli. fig. 2. In the figure the teeth are 

 described as mm. 3 and mm. 4 . 



Cautley Collection. Presented, 1842. 



M. 2864. Fragment of the left maxilla, containing m-_2 i n a half- 

 (Fig.) worn condition. Figured by Falconer and Cautley, op. 

 cit. pi. xxxvi. fig. 



The tooth has five ridces and a 



small talon. 



Cautley Collection. Presented, 1842. 



