LASIOPYGA 315 



skull. The last molar has not yet been produced in either jaw, so the 

 length of the tooth rows could not be given. 



LaSIOPYGA PRINCEPS (Elliot). 



Cercopithecus stuhbnanni (nee Matschie), Pocock, Proc. Zool. 

 Soc. Lond., 1907, p. 690, pi. XXXIX, fig. 2. 



Cercopithecus princeps Elliot, Ann. Mag. Nat. Hist., IV, 8th Ser., 



1909, p. 304. 

 - Type locality. Mpanga forest, west and south of Lake Albert, 

 East Africa. Type in British Museum. 



' Geogr. Distr. Mpanga forest, and Mount Ruwenzori, 5,000 feet 

 elevation. East Africa. 



Color. Forehead, sides of face and head, (extending on to sides 

 of throat), speckled black and white; top of head, nape, hind neck, 

 space between shoulders, arms, hands and feet, jet black; upper parts 

 and sides of body speckled black and white ; legs black faintly speckled 

 with white on thighs, and very slightly so on legs beneath knees ; chin 

 and throat pure white; a conspicuous black band across breast below 

 throat, rest of under parts iron gray, the hairs being much less 

 speckled with white than on the upper parts, the general tone more 

 grayish ; tail speckled black and gray on basal half, darker than the 

 back, remainder jet black to tip ; ears with a few white hairs on top ; 

 face slate color; upper lip covered with short white hairs. Ex type 

 British Museum. 



Measurements. Total length, 1,530; tail, 915; foot, 165; ear, 50, 

 (Collector). Skull: total length, 113.5; occipito-nasal length, 88; 

 Hensel, 78.7; zygomatic width, 76.2; intertemporal width, 42.6; width 

 of braincase, 56.2; median length of nasals, 17.7; palatal length, 39.1; 

 length of upper molar series, 25.1 : length of rnandible, 77.2; length of 

 lower molar series, 31.1 ; length of upper canines, 25.9. Ex type 

 British Museum. 



This species differs from L. stuhlmanni Matschie, in having a 

 black band across the breast, in the uniform black on upper back and 

 hind neck, and in the blacker legs ; and from L. carruthersi in having 

 the space between shoulders jet black, this part being speckled with 

 white in that species. 



Lasiopyga carruthersi (Pocock). 



Cercopithecus stuhlmanni carruthersi Pocock, Proc. Zool. Soc. 

 Lond., 1907, p. 691. 



