214 VERTEBRATA. MAMMALIA. 



them. The heavy form, thick head, square muzzle, 

 and long tufted tail, of the species called the Bar- 

 bary Cow (A. Bubalis), mark its approach to the Ox ; 

 the American woolly species with very small horns 

 (A. Lanigera), resembles the Sheep ; while in the 

 simply-curved knotted horns, the long pendent beard, 







* 



&* ' 



"3" 



','...-' ' *** 



WOOLLY ANTELOPE (A. Laniyera)* 



and even the grey colour, of A. Barbata, we perceive 

 a close approximation to the Goat. But in one or 

 two species, there is such a combination of the cha- 

 racters of different families, as has induced some 

 authors to separate them by the name of Catoblepas, 

 the Gnu. 



