704 MR. 1!. I. rococK — a revisioxX of [June 18, 



yellowish white, 1)ut distinctly yellowish and banded. Collar 

 neither so white noi- so sharply defined, on the chest blending 

 gradnally w itli the tint of that ai'ea . Coat long and thick ; lumbal- 

 and sacral regions with a, very decided brownish -red or rusty-red 

 tinge, which extends also on to the root of the tail above and below, 

 and thence round the ischial callosities. Sides of body speckled 

 with yellow, not with gre}'. Ventral sui-face a fairly uniform 

 ashy grey, very indistinctly speckled. Outside of legs not so dark, 

 less speckled, the speckling with a yellowish tinge. 



Loc. Tutha, in the Kenia district, 8000 ft. alt. 



A single male example, collected bv Br. S. L. Hinde in Dec. 

 1902 (B.M., Reg. no. .3.5.25.1). 



Cercopithecus moloneyi Sclater. 



Cercopiihecus moloneyi P. L. Sclater, P. Z. S. 1893, p. 252, 

 pi. xvii. 



Summit of head blackish, speckled with yellow, much darker 

 than the cheeks, which are speckled with greyish yellow ; a con- 

 siderable amount of white in the hairs above the brow. Area 

 between shoulders speckled with gi-eyish yellow. Posterior portion 

 of back and lumbo-sacral region a rich ruddy chestnut- brown, 

 which is somewhat shai'ply contrasted with the speckled gi-ey tint 

 of the sides of the body and the thighs. Arms wholly black, 

 except the inner side of the upper arm, wdiich is greyish and 

 sometimes speckled ; black of upper arm extending up as a narrow 

 stripe in front of slioulder. Legs gi'ey, speckled. Hands and feet 

 black. Throat and chin dirty greyish white. Ventral surface 

 dark grey, more or less speckled. Tail mostly black, speckled 

 towards base, with some reddisli hairs above on the root. No red 

 on underside of I'oot of tail nor on ischial area in male ; a con- 

 siderable amount in the female in these places. 



Loc. North Nyasaland : between Lakes Tanganyika- and ISTyasa 

 {Sir J. A. Moloney) \ ISTyasa- Tanganyika plateau {J. B. Yule). 

 Top of Masuku plateau {A. Whyte). 



CERCOPrrHECus stairsi Sclater. 



Cercopithecus stairsi P. L. Sclater, P.Z. S. 1893, pp. 252 & 443, 

 also 1902, p. 580, pi. xl. ; Forbes, Monkeys, ii. p. 73, 1894 (in 

 part., 2 ). 



Subsp. STAIRSI Sclatei'. 



S (siibaduU). — Face blackish, lips scantily clothed with white 

 hairs ; summit of head speckled yellowish green in front and 

 mesially, reddish at the sides ; above and in front of the ears there 

 is a ferruginous patch extending down as far as the corner of the 

 orbit and composed of hairs that have lost their black annidi ; pos- 

 terioi'ly the reddish tint covers the occipital area as far down as 

 the level of the lobe of the ear. Hairs on brow-ridge longer, with 

 three yellowish annuli. Cheeks speckled yellowish green. Sides 



