PYGATHRIX 101 



1876, p. 32 ; Anders., Zool. Res. Exped. Yunnan, 1878, p. 41 ; 

 Forbes, Handb. Primates, II, 1874, p. 135. 



BLACK-FOOTED LANGUR. 



Type locality. Saigon, Cochin China. Type in Paris Museum. 



Geogr. Distr. Saigon, and the borders of the Mekong River near 

 its mouth. 



Genl. Char. Similar to P. nem.eus but the legs longer, and pos- 

 terior portion black ; skull smaller ; braincase more depressed and 

 not so high; facial portion short, no interorbital swelling. 



Color. Front of head black, extending in a narrow line to ears, 

 where it joins a black patch covering sides of face in front of ears ; 

 a narrow line from above eyes, passing down sides of face in front of 

 black patch to opposite angle of mouth yellowish white ; top and 

 back of head, neck and upper part of body to rump, grizzled gray; 

 shoulders, and arms to wrists iron gray, all hairs ringed with black 

 and white ; sides of body iron gray ; hind limbs, hands and feet black ; 

 rump and tail white ; chin, throat, and spot on chest, whitish ; rufous 

 band from behind ears, down sides of neck and across lower part 

 of throat, beneath which is a black bar from inner side of arms near 

 elbows ; under parts iron gray to anal region which is black ; inner 

 side of arms black on inner and outer edge on elbow, remainder iron 

 gray ; inner side of legs black except inner side of thighs near tail, 

 which is white. Ex type Paris Museum. 



Measurements. Male. Total length, 1,490; tail, 670; foot, 180, 

 (skin). Skull: total length, 128.3; occipito-nasal length, 95.3; inter- 

 temporal width, 50 ; breadth of braincase, 60 ; Hensel, 32.3 ; zygomatic 

 width, 82 ; median length of nasals, 13.8 ; length of upper canines, 

 19.5 ; length of upper molar series, 29.2 ; length of mandible, 73.3 ; 

 length of lower molar series, 35.3. 



