MAMMALS— ORNAMENTAL COLORS. 



533 



lett informs me that all the hues become more pronounced in the 

 male when adult, whilst in the female they remain as they were 

 during youth. According to the colored figures given by Solomon 

 Miiller, the male of Semnopithecus chrysomelas is nearly black, 

 the female being pale brown. In the Cercoplthecus cynosurus and 

 griseoviridis one part of the body, which is confined to the male 

 sex, is of the most brilliant blue or green, and contrasts strikingly 



. 'Tf^ 



I I'- 



If ii 



•*. 



1 





1 fN^il'5 ' 



V ^\ 



J 



Fig. 



Head of Male Mandrill (from Gervais, 

 miferes'). 



'Hist. Nat. des Mam- 



with the naked skin on the hinder part of the body, which Is 

 vivid red. 



Lastly, in the baboon family, the adult male of Cynocephalus 

 hamadryas differs from the female not only by his immense mane, 

 but slightly in the color of the hair and of the naked callosities. 

 In the drill (C. leucophaeus) the females and young are much 

 paler-colored, with. less green, than the adult males. No other 

 member in the whole class of mammals is colored in so extraor- 



36 



