544 



The Descent of Man. 



Part H. 



Tip to the eyes (flg. 71); there are three white stripes on the 

 forehead, and the ears are marked with white. The fawns of 

 this species are of a uniform pale yellowish-brown. In Damulis 

 alhi/roiis the colouring of the head differs from that in the last 

 species in a single white stripe replacing the three stripes, and 



lig. 70. I'rageluphuB scriptus, male ^from the Knowsley Menagerie). 



in the ears being almost wholly white.'* After having studied 

 to the best of my ability the sexual differences of animals be- 

 longing to all classes, I cannot avoid the conclusion that the 

 curiously- arranged colours of many antelopes, though common to 

 both sexes, are the result of sexual selection primarily applied to 

 the male. 



'• See the fine plates in A. Smith's 'Gleanings from the Meniigcrie of 

 'Zoology of S. Africa,' and Dr. Gray's Knowsley.' 



