RHINOCEROS. 201 



j. Skull, skele- [Burma pony] 1866. 



ton. 

 k. Skull, S [Arab, gray] Sir J. Fayrer, 1872. 



skeleton. 

 /. Skull [Pony "Lucknow "] Sir J Fayrer. 



m. Skull 5 [Iceland pony] W. Rutledge, 1870. 



«. Skull juv. A.S.B. 



o. Skull, $ Rajah R. MuUick, 1876. 



skeleton. 

 p. Skull [Waler Roan pony] A.S.B. 



q. Skull, ? [Shetland pony] W. Rutledge, 1872. 



skeleton 

 and skin. 



r. Feet of an Purchased, 1870. 



Arab with 

 extra toes. 

 s. Skeleton $ [Waler Gelding] W. King 1888. 



mted. 



Genus RHINOCEROS. 



Rhinoceros, Linnaeus Syst. Nat , 12th ed., i, p. 104 (1766). 

 Ceratorhinus, Gray P Z.S., p. 1021 (1867). Type R. sumatrensis. 



Key of the Indian Species. 



a. With one horn only, skull with the post-tympanic and post-glen- 

 oid processes of the squamosal bone united for a consider- 

 able extent below the meatus auditorius. 

 h. Upper lip rounded off; the posterior neck-fold does not 

 unite with the anterior one to form a saddle; skull with 

 the vomer anchylosed to the skull, and with basi-sphenoi'd 

 and basi-occipital bones wide and flattened. 



R. unicornis, p 202. 



P. Upper lip produced into a short proboscis; the posterior 

 neck-fold unites with the anterior one to form a saddle 

 on the neck; skull with the vomer ending freely posteri- 

 orly in a jagged point frequently broken off; the basi- 

 sphenoid and basi-occipital very much narrowed and 

 steep at the sides ; an ossified mesethmoid present. 



R. sondaicus, p. 202. 



a^. With two horns, skull with the post-tympanic and post-glenoid 

 processes of the squamosal separated so as to form an open 

 groove. 

 c. Ears hairy inside ; no long fringe of hairs along the ear 

 conch ; skull narrow and tooth row short. 



R. sumatrensis, p. 204. 



c^. Ears not hairy inside, a long fringe of hairs along the 

 edge of the ear conch ; skull broader and with a 

 longer tooth row. R. lasiotis, p. 204. 



