1871.] DR. J. E. GRAY ON THE SKULL OF A ROEBUCK. 601 



Fur soft, brown ; nose, forehead, inside of ears, chin, and under- 

 side of body, rump, and tail white. 



Hab. South Africa : Natal. 



One hind leg is white (but that may be a sport ; indeed the whole 

 white may be an accidental variation) ; but in the general colour of 

 the fur it is quite distinct from any other known Bush-buck. It is 

 said to be nearly adult, though sosmall. 



9. Notes on the Skull of a Roebuck in the British Museum. 

 By Dr. J. E. Gray, F.R.S. 



[Received June 5, 1871.] 



In the British Museum there is a skull (no. 688, o) which has been 

 considered that of a Roebuck with very much deformed horns. It 

 was received from the Museum of this Society, without any historv 

 or habitat. At first sight the horns have some resemblance to 



Supposed horns of a Roebuck. 



those of Xenelaphus leucotis, and, like it, on the two sides are very 

 different ; but in Xenelaphus the peculiar projection is from the 

 back of the base of the horns, and here it is an extreme development 



