284 UNGULATES. 
The beatrix antelope (0. beatriz) of Western Arabia, and, it is 
said, of the Bushire district, is a much smaller animal than either of 
the above, standing about 2 feet 8 inches in height, and is of a whitish colour, 
with a dark spot on the face, and a large dark patch on each cheek meeting 
beneath the throat; the knees and the front of the lower part of both legs are 
also blackish brown, and the end of the tail is black. The horns are only about 15 
inches in length. 
Sabre-Horned The last representative of the genus is the sabre-horned antelope, 
Antelope. or leucoryx (O. leucoryx), which, while agreeing nearly in size with 
the beisa, differs from the other four species in its recurved scimitar-like horns, 
Beatrix Antelope. 













THE SABRE-HORNED ANTELOPE (74 nat. size). 
and uniform whitish coloration, which frequently shows a reddish tinge. The 
reddish tinge is more marked in the under-parts and the inner surfaces of the 
limbs than elsewhere ; and the neck is darker than the body. The head is marked 
by six brown patches, of which there are one between the horns, two between the ears, 
and two between the horns and eyes, while the sixth forms a streak on the nose. 
The horns vary from 34 to 394 inches in length. The leucoryx is confined 
to the north-eastern portion of Central Africa, being abundant in Senaar and 
