106 



SKETCH OF THE HISTORY OF MAMMALIA. 



noceros, 2 ; Tetracaulodon (allied to mastodon), 1 ; 

 Hippotherium (allied to horse), 1 ; Sus, 3 ; Felis (some 

 as large as a lion), 4; Machairodus (allied to bear, 

 Ursus cultridens) ; Gulo (glutton), 1 ; Agnotherium 

 (allied to dog, but as large as a lion), 1. 



Cuvier, before he had completed the last edition of 

 his * Regno Animal,' became aware of M. Kaup's dis- 

 covery of the lower jaw, and in his Additions, vol. i. p. 

 581, he alludes to this fragment as affording data for the 

 separation of the *' Tapir gigantesque " into a distinct 

 genus. To this genus M. Kaup has given the title Di- 

 notherium. The skull of this extraordinary animal is 

 more than a yard in length, and the size and situation 

 of the nasal orifice (Fig. 65), with the salient portion of 



65. — Skull of Dinotherium. 



the short nasal bones, indicate the probable possession of 

 a proboscis ; we say probable, because in the manatee 

 or lamantin, and also the dugong, we have a similar 

 extent and situation of the nasal orifice, a circumstance 

 militating against the inference that a proboscis necessa- 

 rily accompanies this conformation of the skull. Indeed 



