GO 



THE HORSE 



the anterior horn have been separated under the name 

 of B. keitloa, but, as already mentioned, the characters 

 of these appendages are too variable to found specific dis- 

 tinctions upon. The two-horned African rhinoceros is far 

 more rarely seen in menageries in Europe than either of 

 the three Indian species, but one has lived in the gardens 

 of the London Zoological Society since 1868. Excellent 

 figures from life of this and the other species are published 

 in the ninth volume of the Transactions of the Society. 



2. Burchell's, or the square-mouthed rhinoceros (R. 

 simus), sometimes called the white rhinoceros, though 

 the colour (dark slate) is not materially different from 

 that of the last species, is the largest of the whole 

 group, and differs from all the others in having a square, 

 truncated upper lip, and a wide, shallow, spatulate form 

 of the front end of the lower jaw. In conformity with 

 the structure of the mouth, this species lives entirely by 

 browsing on grass, and is therefore more partial to open 

 countries or districts where there are broad grassy 

 valleys between the tracts of bush. It is only known 

 in the regions south of the Zambesi, and owing to the 

 causes indicated above has of late years become ex- 

 tremely scarce ; indeed, the time of its complete ex- 

 tinction cannot be far off, if indeed it has not already 

 arrived. No specimen of this species has ever been 

 brought alive to Europe, and very few examples are to 

 be seen in our museums. The flesh of both species of 



