GUEREZAS AND LANGURS. 83 



Miopithecus capillaius, Geofifr., C. R., xv., p. 720 (1842.) 

 Simla 7?ielarhinus, Schinz, Synop. Mamm., i., p. 47 (1844). 



Characters. — Small in size ; head globular ; muzzle very short; 

 eyes large ; ears very expanded ; nose but slightly protruding, 

 with oblong nostrils opening laterally, the septum thick ; hands 

 short, fingers united by a web. 



Skull large ; superciliary ridges and orbits also large ; pos- 

 terior molar in both jaws small ; those in the lower jaw only 

 three-cusped (two cusps in front, one behind) ; anterior and 

 median lower molars four-cusped. 



Naked skin round the eyes orange ; upper lip yellow ; 

 whiskers directed downward, bright straw-yellow; upper eye- 

 Hds white ; nose black ; ears naked, black ; frontal hairs erect, 

 forming a distinct curved crest. Fur speckled olive-green — the 

 hairs grey at the roots, olive-green in the middle and black- 

 tipped ; fur darker on the body, paler and more washed with 

 yellow on the outer side of the body and upper side of 

 the hands and feet. Under surface of the body and the inside 

 of the limbs white; tail asliy-grey. Length of body, 13^ 

 inches. 



Distribution. — West Africa : Gaboon. 



Habits — Nothing is known of the habits of this rare species, 

 which is the smallest of the Guenons. 



THE GUEREZAS AND LANGURS.— SUB-FAMILY 

 SEMNOPITHECIN^. 



The members of this Sub-family are characterised, externally, 

 by having elongated slender bodies, with their hind pair of 

 limbs longer than their front pair, and a very long tail. In- 



G 2 



