IN CAPTIVITY IN LOWER BENGAL. 145 



them. It has straight black horns, and a dewlap. The males have 

 tufts of hair on the forehead and a mane on the neck. It is the largest 

 of all the existing antelopes. 



Sab. — Southern and Eastern Africa. 



Length of life in captivity. 



A specimen lived from December 1882 to August 1885. It died 

 of rinderpest. 



(184) THE NILGAI. 

 (BOSELAPHUS TEAGOCAMELUS— Pall.) 



Nilgai is a vernacular term, meaning blue cow. The animal is 

 well known in India. 



Hab. — It is found throughout the plains of India, from the Punjab 

 to Cape Comorin ; not found in Lower Bengal. 



Length of life in captivity. 



From 1877 to 1885. In the latter year most of the ruminants 

 died from rinderpest. 



(185) THE BEISA ANTELOPE. 

 (OEYX BEISA— (Hupp.) ) 



' Description. — As large as a domestic ass, but extremely handsome 

 in build and shape ; general colour of the body brownish grey, with well- 

 defined black bands down and across the face, on the back, and along 

 the sides and the limbs ; the black bands on either side of the body 

 unite on the breast, and continue as a single band to the lower jaw, 

 here they divide to form transverse bands on the head ; it has a short 

 black mane and a long tufted tail ; horns are long, slender, straight, 

 or somewhat recumbent, and pointed. 



Hab. — Abyssinia and the coasts of the Bed Sea. 



Length of life in captivity. 

 From 1879 to 1886. 



(186) THE LEUCORYX. 



(OEYX LEUCORYX- (Pall.) ) 



It is smaller than the preceding species, of an uniform whitish 

 grey colour, with curved horns. 

 Hab.— North Africa. 

 Being on deposit, was on view for a few months only. 



