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 Mékong River near 
its mouth. 
Genl. Char. Similar to P. NEMzus 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. 
