76 Lloyd's natural history. 



Le Dia?ie fetnelle, F. Cuv., Hist. Nat., Mamm., livr. xlii. (June, 



1824). 

 Cercopitheciis diadematus^ Geoffr. in Belang., Voy. Zool. p. 51 



{1834). 



Cei'copitheciis leitcampyx^ Martin, Mamm. An., p. 529 (1841); 

 Geoffr., Diet. Univ. Hist. Nat., iii., p. 304 (1849); .Schl., 

 Mus. Pays-Bas, vii., p. 83 (1876); Giglioli, Zool. Anz., 

 X., p. 510 (18S7) ; Sclater, P. Z. S., 1893, p. 253 ( ? ). 



Cercopitheciis pbito^ Gray, P. Z. S., 1848, p. 56, pi. iii.; 1868, 

 p. 182; id., Cat. Monkeys Brit. Mus., p. 23 (1870); 

 Wagner in Schreb. Saugeth. Suppl., v., p. 48 (1855); 

 Sclater, P. Z. S., 1870, p. 670, 187 1, p. 36, 1892, p. 97. 



Cliaracters. — Face, nose, and lips black; whiskers rounded 

 and bushy ; no beard ; fur long and harsh ; form robust and 

 powerful ; whiskers grizzled, the hairs ringed with black and 

 white ; across the forehead, over the eyes, a broad white bar 

 (or diadem) ; the back beyond the shoulders, the sides and 

 haunches, and the posterior aspect of the thighs, grizzly-grey, 

 the hairs ringed with numerous greenish-white and black bars ; 

 tail grey at its base, rest black ; a few yellowish hairs on the 

 callosities, but all the rest of the body deep black. Length of 

 body, 23 inches; of tail, 21. 



Distribution. — West Africa : Angola, and the Congo, to Nyasa 

 Land. 



Habits. — Unknown. 



V. Cercopitheci Auriculati. 



The following three species form the fifth group of the 

 Guenons, distinguished by their yellowish or rufous ear-tufts, 

 and the three black lines over the forehead. 



