THE GUENONS, 55 



XIII. THE MALBROUCK GUENON. CERCOPITHECUS CYNOSURUS. 



Sitnia cynosurus, Scop. Delic. Flor. et Faun. Insubr., i., p. 44, 

 pi. xix. (1786). 



Cercopithecus cynosurus (Malbrouck), F. Cuvier, Hist. Nat., 

 Manim., i., livr. ii. (Janvier, 1819) ; Desmarest, Mamm. 

 p. 60 (1820); Martin, Mammif. An., p. 515 (1841) ; Geoffr.' 

 Diet. d'Hist. Nat.,iii., p. 306 (1849); Wagner, '^^ Schrebefs 

 Saugeth. Suppl, v., p. 38 (1855); Schleg. Mus. Pays-Bas, 

 vii., p. 72 (1876); Sclater, P. Z. S., 1893, p. 247. 



Cercopithecus tephrops^ Bennett, P. Z. S., 1833, p. 109. 



Chlorocebus cynosunis^ Gray, Cat. Monkeys Brit. Mus., p. 26 

 (1870). 



Characters. — Head broad, and rounded above ; muzzle tliick. 

 Face naked, flesh-coloured ; nose and cheeks black-haired ; 

 ears nude, black ; hands short, thumbs rudimentary ; hairs on 

 the side of the head not forming whiskers. Top of head and 

 uppersurfaceof body olive-green — the hairs being grey at their 

 roots and ringed with black and yellow ; external surface of the 

 fore-arms and legs grizzled-grey, the hairs with black and white 

 rings ; sides of the neck, under surface of the body, inside of 

 the limbs, and the under side of the tail white ; an indistinct 

 band across the forehead over the eyes, white ; tail dark grey 

 above; callosities scarlet; scrotal region in the male deep 

 blue ; hairs beneath the tail and round the scrotal region 

 rufous. Length of body about 18 inches ; tail, 16 inches. 



Distriljution. — West Africa. Probably Senegambia, but the 

 exact habitat still unknown. 



Habits.— Of the habits of 'he Malbrouck in its own home 

 nothing has been recorded ; but Mr. Martin remarks that in 

 captivity it combines in its disposition a certain degree of slug- 



