32 PYGATHRIX 
b.' : Dopthiwews !straight:, bros. 22a se eae P. ultima. 
nm. General color bright bluish silvery gray ........ P. margarita. 
o. General color silvery gray and brown .......... P. germaini. 
p. General color drab gray. 
a. Forehead and sides of head black ........ P. crepuscula. 
b.’ Forehead and sides of head wood brown. .P. wroughtoni. 
q- General color various, hues pale. 
a. Hands and feet black. 
a.” ) Aseneral colorbalt yellow? J..../ Pees sk P. entellus. 
b.” General color mars brown ......... P. schistaceus. 
c.” General color pale sepia grading into 
brownish gray; fur woolly ............. P. lania. 
d.” General color yellowish gray ........... P. pileata. 
e.” General color purplish brown ........ P. hypoleuca. 
b.’ Hands and feet yellowish ................. P. priamus. 
B. Head not crested. 
a. General color grizzled gray, rump and tail white. 
a.. Whiskers white; legs from knees reddish 
DROW iki. SEE Sie SEU 3G oe P. nemeus. 
b.. Whiskers black; legs from tines blackoget ... P. nigripes. 
Subgenus Lophopithecus. 
2-2 1-1 2—2 3-3 
Al 5253 Me. Gaps) gc53 io gas = 32- 
Pelage mostly red or reddish ; crest prominent, upright. 
PYGATHRIX MELANOLOPHA (Raffles). 
Simia melalophus (sic), Raffles, Trans. Linn. Soc. Lond., XIII, 
1822, p. 244. 
Semnopithecus melalophus (!) Desm., Mamm., 1822, Suppl., p 
533; Id: Dict. Scien! 'Nat:, 1827;*p.-160; Griffiths, .Anum: 
Kingd., 1827, p. 10; Less., Man. Mamm., 1827, p. 40; E. 
Geoff., Cours Hist. Nat. Mamm., 1828, p. 10, 8me Legon; 
Fisch., Syn. Mamm., 1829, p. 14; Bélang., Voy., Zool., 1834, 
p. 40; Miill., Tidjsch. Nat. Gesch., II, 1835, p. 327; Waterh., 
Cat. Mamm. Zool. Soc. Lond., 1838, p. 4; Mill. und Schleg., 
Verh., 1839-44, pp. 60, .66, tab. 12 bis, fig. 2; Wagn., Schreb., 
Saugth. Suppl., I, 1840, p. 85; Less., Spec. Mamm., 1840, p. 
61; Martin, Mammif. Anim., 1841, p. 470; Schinz, Syn. 
