\ 



LASIOPYGA 32S 



series, 22.7; length of upper canines, 15; length of mandible, 28.2; 

 length of lower molar series, 31. 



The type is a flat skin without head or skull, so the measurements 

 are taken from another example in the British Museum, as is also the 

 description of the head. 



Subgenus 5. Chlorocebus. 



General color with a greenish tinge ; color of hairs being a mingling 

 of gray, black and tawny, or yellow. 



KEY TO THE SPECIES AND SUBSPECIES. 



A. No rufous patch at root of tail beneath ; end of tail 



not black. 

 0. White band across forehead. 



a.' General hue tawny, black speckled L. matschie. 



b.' General hue paler, size smaller L. hilgerti. 



c! General hue tawny ochraceous, fur long, 



thick L. djamdjamensis. 



d.' Whiskers huffy white. 



a." General hue greenish yellow and black.. .L. tantalus. 

 b." General hue buff yellow and black. 



a.'" Hands and feet brownish black. .L. t. budgetti. 

 b."' Hands and feet gray, black and 



white speckled L. t. griseisticta. 



e! Whiskers all white L.t. alexandri. 



b. No white brow band. 



a.' Whiskers radiating from ear in semicircle. 



a." Hairs gray at base L. callitrichus. 



b." Hairs blackish brown at base L. werneri. 



b.' Whiskers not radiating from ear in semi- 

 circle. 

 a." Whiskers not blending in color with 



top of head -L. griseoviridis. 



b." Whiskers blending in color with top 



of head L. cynosura. 



B. Rufous patch at root of tail beneath ; end of tail 



black. 



a. Upper parts speckled gray and cream color . . . L. pygerythra. 



b. Upper parts reddish and ochraceous L. rufoviridis. 



