30 
PYGATHRIX 
KEY TO THE SPECIES AND SUBSPECIES. 
“A. Head crested. 
a. 
= QHD 
General color ochraceous or reddish. 
, 
a.’ Occipital crest black or blackish. 
an") Limbs..ochraceousuaa. Al sinsn do en's P. melanolopha. 
6; Limbs bright.fexirediicvs <berwd-h wars awe P. nobilis. 
b.’ Occipital crest; chocolate redwiii . sds... P. rubicunda. 
ec?) ‘Occipital: crest’ tawtiy ha. pam hat cmd b e545 Yar P. carimate. 
General color brown, or slaty gray. 
a.” Upper parts ‘Prout’s:browns se. .is es. eee es P. frontata. 
b! | Upper. pasts. slaty gray bus: lels eauails wooo’ P. nudifrons. 
General color above black or brownish black; no 
white on head. 
a. Crest ochraceous rufous .............0008: P. cruciger. 
b.’ Crest black. 
a.” Upper parts of body black; tail white 
beneath “..).n gost lw weg P. chrysomelas. 
b.” Upper parts of body brownish black; 
tail white at base only. 
a.” Size large; mandible broad, rather 
Reavy sie eehe te aegis P. sumatrana. 
b.”” Size small; mandible light and 
Slam Ger ince. ages WUeTs Via BM abel. 4 P. batuana. 
c. Crest brown. ' 
a7). 4 Raali ali blacks adds ads inceideePhiee P. percura. 
bo Vailywhitesat base, beneathy werniges' 0 14 P. femoralis. 
General color reddish brown or dusky. 
a. \.Lambs:.and;taiublackish, brown) sesso P. melamera. 
b: Limbs, and, tathyeragish: jie we sis weitere Oss P. barbet. 
General color, duskyjaegay avs Kirredsohlmee heen P. holotephrea. 
General color, broccoli; brow isis. daltye bikin Cemeatey P. phayrei. 
General color black tinged with brown, tail cream 
COLOTy i OWE Ses Mend sites tees dence tidal ARR ph «decay .P. flavicauda. 
VRAIS CUS: sn 5 re ks i Sc Peas tehsil cake Na a P. robinson. 
General color dark, or pale brown. 
id 
a. Thighs grayish, not white. 
“ 
a.” Nuchal patch conspicuous. 
wt 
as; Uppertparts sooty black... <2. oar P. obscura. 
b.” Upper parts black. 
