336 CERTITUDE. 



Key to tlie Species. 



a. Feathers of the throat and breast black, with pale 



shafts S. humii, p. 336. 



b. Feathers of the throat and breast with a submarginal 



white border S. roberti, p. 336. 



Fig. 105. Head of S. humii. 



349. Sphenocichla humii. Hume's Wedge-billed Wren. 



Heterorhynchus humei, Mandelli, S. F. i, p. 415 (1873); Hume, 



Cat. no. 383 bis. 

 Sphenocichla humii (Mand.), Sharpe, Cat. B. M. vi, p. 283 (part.). 



Coloration. Forehead and sides of the head blackish, with white 

 shafts ; the whole upper plumage and wing-coverts golden brown, 

 each feather with a pale shaft and very distinctly bordered with 

 black, and the feathers of the back, rump, scapulars, and coverts 

 also cross-barred with black ; wings and tail dull golden brown 

 cross-barred with black; sides of the neck black; a broad supercilium 

 grey, reaching to the nape and there terminating in a number 

 of drops extending over the sides of the neck ; chin, throat, breast, 

 and sides of the body deep black with pale whitish shafts ; centre 

 of the abdomen ashy ; vent, flanks, and under tail-coverts golden 

 brown, each feather with a pale shaft and distinctly edged with 

 black. 



In the dry state the legs and claws are dark brown, the bill 

 bluish horny, paler below. 



Length about 7 ; tail 2-9 ; wing 3 ; tarsus 1*1 ; bill from 

 gape 1*05. 



Distribution. Native Sikhim only, so far as is at present known, 

 from which place there is a considerable series in the British 

 Museum, procured by Mandelli's men, and preserved in the Hume 

 Collection. Nothing whatever is known about the habits of this bird. 



350. Sphenocichla roberti. Robert's Wedge-billed Wren. 



Sphenocichla roberti, Godw.-Aust. $ Wald. Ibis, 1875, p. 251; 



Hume, S. F. iv, p. 217 ; Godw.-Aust. J. A. S. B. xlv, pt. ii, p. 198, 



pi. vi. 

 Stachyrirhynchus roberti (Godw-Aust. Sf Wald.}, Hume, S. F. iv, 



p. 217, note. 

 Heterorhynchus roberti (Godiv-Aust. 8f Wald.}, Hume, Cat. no. 383 



ter. 

 Heterorhynchus humii, Mand. apud Hume, S. F. xi, p. 135. 



