1907.] MONKEYS OF THE GENUS CERCOPITHECUS. 707 



area of the body between the shoulders and the root of the tail 

 black, speckled with reddish brown, the reddish annvili in the 

 hair much narrower than the black. Tail speckled reddish at 

 the root, the terminal half black, the intervening area dark but 

 speckled with grey. External surface of thighs blackish, speckled, 

 passing gradually into the darker hue of the sides of the body, 

 the hairs of which, at all events inferiorly, have no red in the grey 

 speckling. Ventral surface dark smoke-grey, sometimes with in- 

 distinct speckling. Throat and sides of neck up to the level of the 

 lower border of the ear whitish grey. Between the eyes a line of 

 black hair which expands on the nose into a triangular black patch 

 and extends thence inferiorly over the upper lip. The whisker-hairs 

 adjacent to the face greyish at the base. Hair on ears mostly black. 



Loc. Cameroons {Matschie and Forbes) ; also Fernando Po, in 

 B.M. reg. nos. 4.7.1.5-7. 



A young specimen in the British Museum gives the following- 

 measurements : — Head and body 262 mm., tail 315 mm. 



A much darker form than C. alhogularis, with the rufous 

 speckling of the back not extending so far inferiorly, and with 

 black hair on the nose, lips, and ears. 



Oercopithecus labiatus Geoffr. 



Cercopithecus labiatus Is. Geoffr. St. H., C. R. xv. p. 1038, 1842 ; 

 id. Diet. d'Hist. Nat. iii. p. 302, 1 849 ; Schlegel, Mus. Pays-Bas, 

 vii. p. 79, 1876 : Matschie, SB. Ges. nat. Fr. Berlin, 1893, p. 214 • 

 Forbes, Monkeys, ii. p. 72, 1894. 



Cercojnthecus samavgo Sundev. QKfv. K. Yet.-Akad. Forh. i. 

 p. 160, 1844; P. L. Sclater, P. Z. S. 1893, p. 251; W. L. 

 Sclater, Fauna S. Afr., Mamm. i. p. 9, fig. 2, 1900. 



Coat long and thick, dark-coloured, black, speckled with yellowish 

 grey, the back and sides of the body not more brightly coloured 

 than the fore part, the black bands in the hair much wider than 

 the pale. Top of head blacker than nape of head and cheeks. 

 No half -collar on sides of neck. Tail with its basal third almost 

 white below and laterally, the pale area much exceeding in width 

 the pigmented area, which is confined to the dorsal surface ; 

 median portion of tail dark grey above and below, terminal 

 portion black. Fore leg jet-black from above the elbow. Hind 

 leg smoky grey, speckled with yellow, not sharply defined from the 

 tint of the sides of the body ; the hair external to the callosities 

 grey tinged faintly with reddish, a little of that tint extending 

 on to the root of the tail. Ventral surface from the chin to the 

 pubic area whitish ashy grey, unspeckled, the same pale hue 

 spreading over the inside of the thighs. 



Loc. S. Africa: King Williamstown and Pondoland (ir. L. 

 Sclater). Also said to occur in Natal, Zululand, and Angola. 



The description given above is taken from a specimen ticketed 

 S. Africa, and presented to the Society in 1888. A second 

 specimen received in 1906 resembled it in all important 

 particulars. The pale colour of the under side of the proximal 



