TROCHALOPTERUM. 183 



(175) Trochalopterum lineatum imbricatum. 



The Bhutak Streaked Laughing-Thrush. 



Garrulax imbricatus Blyth, J. A. S. B., xii, p. 9ol (1843) (Bhutan). 

 Trochalopterum imbricatum. Blauf. & Oates, i, p. 102. 



Vernacular names. None recorded. 



Description, Differs froiu the other three races in having the 

 head, neck and mantle concolorous with the rest of the body, 

 the shafts black and glisteniug ; the lores, supercilium and sides 

 of the head greyish-brown with white shafts. 



Colours of soft parts not recorded. 



Measurements as in T. I. lineatum.. 



Distribution. Bluitan only. 



Nidification and Habits unknown. 



(176) Trochalopterum henrici. 



Prince Henry's Laughing-Thrush. 



Trochalopterum henrici Oustalet, Ann. Sci. Nat., (7) xii, p. 274 

 (1891) (Tibet). 



Vernacular names. Jorno = the lady (Tibet). 



Description. Upper parts and wing-coverts dark olive-brown, 

 the crown sliglitly darker ; lores and a line through the eye and 

 ear-coverts dark chocolate ; quills blackish edged with laveuder- 

 grey ; tail blackish brown, broadly tipped with white ; a broad 

 white stripe through the cheeks ; a small white supercilium ; below 

 the same colour as above, but paler and the flanks and under tail- 

 coverts chestnut-red. 



Colours of soft parts. Bill and legs dark plumbeous ; iris 

 crimson. 



Measurements. Total length about 270 to 280 mm. ; wing 110 

 to 115 ram. ; tail about 150 mm. ; culmen about 22 mm. ; tarsus 

 about 37 mm. 



Distribution, Tibet, and it has been obtained by Col. F. M. Bailey 

 at Shoaka, 9,000 feet, in the Mishmi Hills. 



Nidification unknown. 



Habits, "It is found in the same poplar and alder bushes as 

 the Bahax, but also comes up quite close to tlie villages. It has 

 the characteristic habits of a Babbler to a marked degree, roves 

 about in parties of eight or more individuals, chatters most noisily, 

 uttering its fluty call of ' Whoh-hee Whoh-hee,' is always on the 

 move, scampering along the branches, seldom showing itself, and 

 flying very low across a clearance to the next cover." {Waddell). 



