TROCHALOPTERUM. 91 



Coloration. Forehead and lores grey with black shafts ; anterior 

 half of crown reddish brown, blending into the bright chestnut of 

 the posterior half and of the nape ; a very broad superciliary band, 

 reaching to the nape, ash-grey ; ear-coverts ashy rufous ; chin and 

 cheeks grey mingled with blackish ; throat and fore neck deep 

 chestnut-brown ; the sides of the neck and back fulvous grey, each 

 feather with a rounded brown mark near the tip ; rump and upper 

 tail-coverts slaty grey ; breast rufous, each feather with an ill- 

 defined lunate bar ; abdomen dull fulvous ; sides of the body, vent, 

 and under tail-coverts olivaceous ; tail ashy, suffused with golden 

 yellow on the outer webs ; wing-coverts olive-brown, the greater 

 series broadly tipped with deep ferruginous ; primary-coverts and 

 winglet yellow on the outer webs, ashy on the inner ; outer webs 

 of the primaries and secondaries bright golden yellow ; tertiaries 

 and tips of the secondaries ashy blue, the base of the outer webs 

 of the secondaries golden red. 



Iris clay-coloured; bill and legs brown (Cockburri) ; iris grey ; 

 legs pink-brown (Godw.-Aust.). 



Length about 10; tail 4-5; wing 4-1; tarsus 1-55; bill from 

 gape 1-1. 



Distribution. The Khasi hills, where this species has been 

 obtained at Shillong, at Cherra Poonjee, and on Heugdan Peak. 



85. Trochalopterum nigrimentum, The Western Yellow-winged 

 Laughing- Thrush. 



Trochalopteron niprimentum, Hodgson, MSS. fig. 820 (in Library of 



Zool. Soc. of London) ; Oates in Hume's N. <% E. 2nd ed. i, p. 57. 

 Gamilax chrysopterus (Gould), apud Blyth, Cat. p. 97. 

 Pterocyclus chrysopterus (Gould), apud Horsf. $ M. Cat. i, p. 206. 

 Trochalopteron chrysopteruin ( Gould), apud Jerd. B. I. ii, p. 43 ; 



Hume, N. $ E. p. 259 ; Godw.-Aust. J. A. S. B. xlv, pt. ii, p. 76; 



Hume, Cat. no. 416; 'Sharpe, Cat. B. M. vii, p. 362 ; Hume, S. F. 



xi, p. 165. 



The Yellow-winged Laughing -Thrush, Jerd.; Tarphom-pho, Lepch. ; 

 Paniong, Bhut. 



Fig. 27. Head of T. niyrimentum. 



Coloration. Forehead rufous with black shafts ; anterior portion 

 of crown and the sides of the crown nearly up to the nape deep 

 grey, each feather black in the middle ; posterior part of crown 



