1907.] 



MONKEYS OF THE GENUS CERCOPITHECUS. 



719 



Cercopithecus ascanius And. 

 Subsp. ASCANius Aud. (Plate XL. fig. 5. Text-fig. 186.) 



Simla ascanius Audebert, Hist. ISTat. Singes, fam. IV. sect. ii. 

 lA. xiii., 1799. 



Cercopithecus melanogenys Gray, Ann. Mag. Nat. Hist. xvi. 

 p. 212, 1845 ; id. P. Z. S. 1849, p^ 7, pi. ix. fig\ 2. 



Cercopithecus histrio Reichenbach, Afien, p. 106, pi. xviii. 

 figs. 256-257, 1863. 



Cercopithecus 2>icturatus Santos, Jorn. Sci. Lisboa, xi. p. 98, 

 1886. 



Text-fie-. 186. 



Cercopithecus as canius Aud. 

 (From a j'ouug specimen living in the Society's Gardens.) 



At once distinguishable from C. petau7^ista petccurista and 

 C. p. huttikoferi by the colour and arrangement of the hair on the 

 cheek. There is typically a black brow- band extending across the 

 forehead and backwards to the ear, but not over the back of the 

 head. Beneath this, in front of the ear upon the cheek, there is 

 a large patch of yellowish-white hair arranged radially in a whorl, 

 and below this whorl a large black stripe extends from beneath 

 the ear, where it is thinnest and palest, forwards on to the sides 



Proc. Zool. Soc— 1907. No, XLYIII. 48 



