THE GUENONS. 51 



panctulated than in C. melanogetiys ; throat, under side of 

 body, and inner side of the upper part of the hmbs, white ; 

 fore-arms, hands, legs, and feet black ; posterior two-thirds of 

 tail rufous. 



Distribution. — This species was obtained by the Rev. W. C. 

 Willoughby, in 1883, at Uniamwezi, in Eastern Equatorial 

 Africa, and was said to have been brought thither from the 

 Manyuema country, on the western shore of Lake Tanganyika. 

 His specimen lived in the Zoological Gardens in London for 

 nearly three years. It has also been obtained in Uganda, 

 further to the north. 



X. THE HOCHEUR GUENON. CERCOPITHECUS NICTITANS. 



Simia niditans^ Linn., Syst. Nat., i., p. 40 (1766). 

 Ccrcopithecus nictitans, Erxl., Syst. Regne Anim., p. 35 (1777) ; 



Martin, Mammif. An., p. 536 (1841); Wagner, in 



Schreber's Saugeth. Suppl., v., p. 50 (1855) ; Gray, P. Z. S., 



1868, p. 182 ; id., Cat. Monkeys Brit. Mus,, p. 21 (1870); 



Schl., Mus. Pays-Bas, vii., p. 89 (1876); ScL, P. Z. S., 



1893, p. 246. 

 Cercopithecus nictitans {\\oq)\q\ix)^ F. Cuvier, Hist. Nat., Mamm. 



i., pi. 17 (1825); Audebert, Hist. Nat. des Singes, Fam. 



iv.. Sect, i., p. 9, pi. 2. 



Characters. — Head round ; forehead elevated ; face depressed; 

 nose broad, short-haired. " Hair of the head very full ; 

 boldly over-reaching the eyes, obscuring the ears, and adding 

 lo the breadth and elevation of the top of the head." {Jifartin.) 

 Nose-spot narrow above, commencing between the eyes, broad 

 below ; the lips and a broad ring round the eyes, nude, or very 

 short-haired, elsewhere haired ; whiskers bu^hy ; callosities 

 covered with hair ; thumbs very short ; muzzle sliorter than is 



E 2 



