137 



It". Bill toothed at the extremity. 



c'". Bristles at gape stiff ; under parts [p. 230. 



whitish GAMPSORHYNCHUS, 



d'". Bristles at gape hair-like ; under [p. 161. 



parts parti-coloured TROCHALOPTERUM, 



b. Bill longer than head and much compressed. [p. 205. 

 d'. Bill less than 50 mm. long POMATORHINUS, 



e'. Bill more than 50 mm. long XIPHIRASIPHUS, 



13. Tail less than 88 mm. long, more than 45 mm. [p. 224. 



c. Wings short ar:d rounded and fitting in 



close to the body. 



/'. Shafts of feathers of forehead stiff. 

 c". Tail longer than wing. 



e'". Shafts of feathers of crown not 



glistening PYCTORHIS, p. 233. 



f". Shafts of feathers of crown glistening. 



c 4 . Bill black and stout TIMALIA, p. 225. 



d 4 . Bill pale-coloured and more slender DUMETIA, p. 228. 

 d". Wing longer than tail. 

 y'". Nostrils rounded and exposed. 



e 4 . Crown dark brown or blackish . . RHOPOCICHLA,P. 281. 

 f l . Crown rufous or rufous-brown . . MIXORNIS, p. 272. 

 h'" ' . Nostrils protected by overhanging 



membrane. [p. 261. 



(f 4 . Wing over 70 mm THRINGORHINA, 



A 4 . Wing under 65 mm. 



c 5 . Culmen curved throughout its 



length. 



c". Space round the eye feathered STACHYRIS, p. 263. 

 d 6 . Space round the eye naked. . CYANODERMA, p. 271. 

 d 5 . Culmen straight and'bill wedge- 

 shaped STACHYRIDOPSIS, 



q'. Shafts of feathers of forehead not stiff- [~p. 267. 



shafted. 

 e". Bill stout and straight, deeper at the 



centre than at the nostrils. 

 i'". Rictal bristles well developed. 

 i 4 . Nostrils long, protected by an over- 

 hanging membrane CURSONIA, p. 248. 



j 4 . Nostrils oval and exposed MALACOCINCLA, 



/"'. Rictal bristles obsolete or only [p. 260. 



feebly developed PELLORNEUM, p. 237. 



_f". Bill stout, generally curved through- 

 out and deeper at the nostrils than 

 in the middle. 



k'". Outer edges of primaries uniform. 

 k 4 . Nostrils long and overhung by a 



membrane. 



e 5 . Small bristles overhanging the 

 nostrils ; outer tail-feathers 

 less than 12 mm. shorter than 



middle pair ALCIPPE, p. 275. 



f 3 . No bristles over nostrils ; outer 

 tail-feathers more than 12 mm. 

 shorter than middle pair SCHCENIPARUS, p. 283. 



