48 LLOYDS NATURAL HISTORY. 



a black bar crossing the forehead from ear to ear ; whiskers 

 green ; beard white ; throat, chest, under side of body, inside 

 of limbs and under side of three-fourths of the tail, greyish- 

 white ; fore-arms black ; legs black ; the arms and thighs of 

 the same colour as the back ; upper side of the tail beyond 

 the basal region, and its terminal portion, black ; hands and 

 feet black. 



As Dr. Sclater has pointed out {Joe. cit) -. "It is at once 

 distinguishable from C, petmirista by the black fore-Hmbs and 

 feet, by the greenish colour on the tail above ; the greenish 

 cheeks, without any white stripe beneath the ears, and the 

 bluish skin of the face." 



Distribution. — Martin's Guenon is generally brought to Eu- 

 rope from the island of Fernando Po, where it is probably in- 

 digenous. It may also inhabit the neighbouring coast of 

 Western Africa. 



VL THE LUDIO GUENON. CERCOPITHECUS LUDIO. 



Cercopithecus hidio. Gray, P. Z. S., 1849, p. 8, pi. ix., fig. i ; id., 

 P. Z. S., 1868, p. 182; id., Cat. Monkeys Brit. Mus., p. 

 21 (1870), Wagner, in Schreb., Saugeth. Suppl., v., p. 51 

 (1855) ; Sclater, P. Z. S., 1893, p. 245. 

 Cercopitheciis ascanias^ Schl., Mus. Pays-Bas, vii., p. 87 (1876). 

 Characters. — Spot on lower half of nose large, oblong, higher 

 than broad. General colour of fur black or dark greenish- 

 olive, minutely speckled with greyish-yellow. Face and lips 

 blackish-blue, the nose-spot white; ridge of nose above the 

 white spot, supercihary band, crown of head, shoulders and 

 fore-limbs, black ; outer and inner aspects of hind-limbs 

 and extremity of tail black ; chin, chest, inner side of the 

 upper part of the arms, and under side of body, whitish ; 



