32 PYGATHRIX 



b.' Tooth rows straight P. ultima. 



n. General color bright bluish silvery gray P. margarita. 



0. 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. wrought oni. 

 q. General color various, hues pale. 

 a.' Hands and feet black. 



a." General color buff yellow 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. 



0. General color grizzled gray, rump and tail white. 

 a.' Whiskers white; legs from knees reddish 



brown P. netncriis. 



b.' Whiskers black ; legs from knees black P. nigripes. 



Subgenus Lophopithecus. 



1- 2— 2J ^- 1— 1> "• 2— 2> "^- 3—3 32- 



Pelage mostly red or reddish ; crest prominent, upright. 

 Pygathrix melanolopha (Raffles). 



Simla melalophus (sic), Raffles, Trans. Linn. Soc. Lond., XIII, 

 1822, p. 244. 



Semnopithecus melalophus ( !) Desm., Mamm., 1822, Suppl., p. 

 533; Id. Diet. Scien. Nat, 1827, p. 160; Griffiths, Anim. 

 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; Belang., Voy., ZooL, 1834, 

 p. 40; Mull., Tidjsch. Nat. Gesch., II, 1835, p. 327; Waterh., 

 Cat. Mamm. Zool. Soc. Lond., 1838, p. 4; Miill. und Schleg., 

 Verb., 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. 



