64 



GUIDE TO THE FOSSIL MAMMALS AND BIRDS. 



Wall-ease a still smaller animal, Palseomastodon, of -which various 

 43- remains are exhibited in Wall-case 43. This genus (Fig. 61) 



Pig. 59. — Skull and lower jaw of Elephas (Stegodon) ganesa. showing immense 

 tusks, from the Lower Pliocene of the Siwalik Hills, India ; one thirty- 

 second nat. size. (Stand J.) 



Fig. 60. — Skull and lower jaw of Tetrabelodon angustidens, showing 

 elongated chin with pair of terminal cutting teeth (l.i.), from the 

 Middle Miocene of Sansan, Prance; one-twentieth nat. size, rua: 

 position of nostrils ; u.i. upper incisor or tusk. (After C. W. 

 Andrews.) 



resembles Tetrabelodon in its tusks and elongated face, but 

 differs in having a less elephant-like skull, with more 

 numerous and relatively smaller grinding teeth. It is 



