82 PYGATHRTX 
whiskers directed backward, long, extending far beyond ears, grayish 
white; space around eyes pale, apparently flesh color in life, rest of 
face black, with a line of white hairs on upper lip; a bar of silvery 
white hairs goes from each side of the head from above and behind 
ears to the occiput, where they meet and form a point at the nape; top 
of head, entire upper part of body, outer side of arms to elbows, and 
legs from hips to ankles, except front edge about knees which is black, 
bright bluish silvery gray, the hairs being bluish gray from the root, 
and tipped with silvery white; forearms, hands and feet jet black; 
chin, throat, under parts of body, and inner side of arms and legs 
sparsely covered with white hairs; flanks paler silvery gray than the 
upper parts; tail above jet black, slightly speckled with white, beneath 
silvery gray. Ex type British Museum. 
Measurements. Total length, 1,315; tail, 775; foot, 127, (skin). 
Skull: total length, 91.6; occipito-nasal length, 77.9; intertemporal 
width, 40.1; width of braincase, 52.4; Hensel, 56; zygomatic width, 
61.5; median length of nasals, 11.6; palatal length, 28.6; length of 
upper molar series, 27.7; length of mandible, 61.4; length of lower 
molar series, 32.3. Ex type British Museum, young adult male. 
This is a very handsome monkey with its brilliant pearl gray 
shining pelage, quite different from any other species of the genus. 
The coloring varies greatly according to the light which at certain 
times casts shadows on the gray that are almost black in their intensity. 
The unique type was obtained in Annam by Doctor Vassal. 
PYGATHRIX GERMAINI (A. Milne-Edwards). 
Semnopithecus germaini A. Milne-Edwards, Bull. Soc. Philom., 
1876, Feb. 12; Schleg., Mus. Pays-Bas, Simiz, 1876, p. 34; 
Anders., Zool. Res. Exped. Yunnan, 1877, p. 27; Forbes, 
Handb. Primates, II, 1894, p. 124; Flower, Proc. Zool. Soc. 
Lond., 1900, p. 319. 
GERMAIN’S LANGUR. 
Type locality. Cochin China. 
Geogr. Distr. Cochin China, Siam. 
Genl. Char. General color pale silvery gray. Two specimens 
are in the Paris Museum slightly different in color, and the hair on 
head of different arrangement. One, the lighter in hue, has the hairs 
on forehead upright and falling off to either side, but not over the 
face, no occipital crest; the other, the darker specimen, has hairs on 
forehead upright, and inclining backward, and a central occipital 
crest inclined backward. The arrangement of the hair on the head 
