44 LLOYDS NATURAL HISTORY. 



suggeoted by Dr. Sclater have been adopted. These are (I.) 

 The Nose-spotted Guenons — Cercopitheci rhinostidi ; (II.) The 

 Green Guenons— C chloronoti ; (III.) The Rufous-backed 

 Guenons — C. erythronoti ; (IV.) The Black-limbed Guenons— 

 C. inelafiochiri ; (V.) The Tufted-eared Guenons— C auricu- 

 lati ; (VI.) The Bearded Guenons — C. barbati ; and lastly, 

 The Three-cusped Guenons — C trituberculati. 



Group I. Cercopitheci Rhinosticti. 

 The members of this group have a distinct nose-spot of 

 white, red, or blue. 



L the lesser white-nosed guenon cercopithecus 



PETAURISTA. 



Simia petaurista^ Schreb., Saiigeth., i., p. 103, pi. xix. B (1775). 

 Blanc-nez^ Buff., Hist. Nat., Suppl., vii., p. 67 (1789). 

 Cercopithecus petaurista, Erxl., Syst. Regn. An., p. 35 (1777); 

 Martin, Mammif. An., p. 539 (1841); Wagn. in Schreber's 

 Saugeth., Suppl, v., p. 250 (1855); Gray, Cat. Monkeys 

 Brit. Mus., p. 20 (1870) ; Schleg., Mus. Pays-Bas, vii., p. 

 86 (1876); Scl., P. Z. S., 1893, p. 244. 

 Ascag7ie {^Cercopithecus ascanius), Audeb., Hist. Nat. Singes, 

 Fam. iv.. Sect, ii., fig. xiii. ; F. Cuvier, Nat. Hist, 

 Mamm., i., livr. xiv. (Fev., 1820). 

 Characters. — Head round, the forehead rather elevated ; nose 

 broad ; face and nose covered with short hairs ; whiskers 

 short ; chin bearded. Head, back, upper side of tail, olive- 

 green — the hairs grey at the bass — ringed with darker or lighter 

 yellow and black ; facial hairs black, slightly washed with fulvous 

 on the cheeks ; skin below bluish-red or violet ; lower part of the 

 nose and half of the upper lip white ; whiskers and beard white ; 

 hue across the forehead above the eyes and the ears, and en- 



