98 NATURAL HISTORY ESSAYS 



Neck-mane and tail-tuft black : throat-mane 

 brown, mixed with black." 



The coat of the young wildebeest very rapidly 

 darkens from pale fulvous to blue-grey, and even at 

 twelve months old is very different from what it 

 was at birth. It may here be remarked that 

 although the adult blue wildebeest is very different 

 in appearance from the adult black wildebeest or 

 white-tailed gnu ( Connochaetes gnu}, the calves of 

 the two species are very much alike, indicating 

 that both forms are sprung from a common ancestor. 



