72 LLOYDS NATURAL HISTORY. 



XXVII. THE WHITE-LIPPED GUENON. CERCOPITHECUS 

 LABIATUS. 



Cercopitheciis labiatus, Geoffr., C. R., xv., p. 1038 (1842); id., 

 Diet. d'Hist. Nat., iii., p. 302 (1849); Sclater, P. Z. S., 

 1893, p. 256. 



Cercopithecus samango^ Schl, Mus. PaysBas, vii., p. 79(1876; 

 in part). 



Characters. — Fur thick ; a bunch of long hairs directed back- 

 wards on the cheeks ; inner aspect of the ears covered with 

 reddish-grey hairs ; upper side of the body dark grey, speckled 

 with pale olive-yellow ; top of the head black, speckled with 

 yellowish-green ; forehead and jaws greenish-yellow, speckled 

 with black ; a black spot on the face above the commissure of 

 the lips ; rest of the lips and region of the mouth white ; outer 

 side of the fore-limbs, hands, and feet black ; outer side of 

 the hind-limbs greyish-brown ; under side of the body faded 

 white ; inner side of the limbs ashy-grey ; round the anus and 

 the greater part of the under side of the tail, pale yellowish- 

 brown ; upper side of the tail, for same distance, reddish-black ; 

 remainder black. 



Distribntion and Habits. — Unknown. 



XXVIII. THE RUMP SPOTTED GUENON. CERCOPITHECUS 

 OPISTHOSTICTUS. 



Cenopithecus opisthostictiis, Scl., P. Z. S., 1893, p. 725. 

 Characters.— Back black, speckled with pale grey ; head 

 darker ; back of the neck, shoulders, external aspect of the 

 hands and feet, and the tail (except at its base), black ; a smal 

 spot on the lower back on each side of the tail rufous ; under 

 side blackish. Length of body, 24 inches ; of tail, 25 inches. 

 {Sclater.) 



