472 



BUINOCEROTID.E. 



and formidable weapons ; according to some these are lower canines. 

 The anterior premolar in both jaws is very often wanting. The 

 other upper premolars and molars are subquadrate with a longitu- 

 dinal crest along the outer side and peculiarly incurved ridges on 

 the inner; lower molars and premolars narrower, each formed of 

 two crescentic ridges. The patterns on the teeth after wear are 

 ^■hown by the accompanying ligure. Vertebne: C. 7,D. 19-20, L. 3, 

 !S. 4, C. about 22. Ulna and fibula well developed and distinct. 



fig. 153.— Crowns of («) upper and {b) lower second riglit true molars of 

 Ehi7ioceros unicornis, the inner side uppermost. 



The genus is only found living in Africa and South-eastern Asia. 

 Formerly it was widely distributed. Three extinct species, besides 

 B. unicornis, have been recorded from the Pleistocene, and five from 

 the Pliocene and Miocene beds of India. 



Si/no2Jsis of Indian and Burmese Species. 



A. A single horn on the nose. 



a. Fold in front of shoulder not continued over 



back of neck; skin of sides hearing 



tubercles •^- unicornis, p. i/ J. 



b. Fold in front of shoulder continued over 



back of neck; skin of sides divided into 



small polygonal scales -R- sondmcus, p. 4^4^ 



B. Two horns on nose ^- suynatrensis, p. 4/ b. 



334. Rhinoceros unicornis. The <jreat one-homed llUnoccros. 

 Rhinoceros unicornis, L. Stjst. Nat. i, p. 10^ (1766) ; Hodgson 



P. Z. ,S. 1834, p. 98 ; Gray, P. Z. S. 1867, p. 1010 ; Sclate,; P Z b. 



1871, p. 8 ; id. Tr. Z. S. \x, p. 645, pi. xcv ; I lower, P. Z. 6. 18/ b, 



•p.4oi;W.Sclater,Caf.'p.-2()2. ,.,n.lQl-^ t>j ,7 



lihinoceros indicus, Cuv. liciinc An. i, p. -2^^ (181/); hlytli, 



J.A.S.n. xxxi, pp. lol, li»i); id. C«/. p. 136; Jm/«», Mam. 



p. 232; Lydekher, J. A. S. B. xlix, pt. 2, p. 13o ; tockburn, 



/. ^. -S". i)'. lii, p. 56. 

 lihinoceros stenocephalus, Gray, P. Z. S. 1867, p. 10 18. 

 Gainda, Garyadan, II.; Karkudan, 1'.; Gonda, IJcug. 



