THARRHALEUS. 169 



Key to the Specif s. 



a. Upper plumage unstreaked T. immaculatus, p. 169. 



b. Upper plumage streaked. 



a'. No supercilium T. rubeculoides, p. 169. 



b'. A supercilium. 



a". Chin and throat black T. atriyularis, p. 170. 



b". Chin and throat white or fulvous. 

 a'". Breast of same colour as remainder 



of lower plumage T. fttlvesceiis, p. 171. 



b'". Breast ferruginous, quite different 



to other parts of lower plumage. 

 a 4 . Supercilium and breast deep ferru- N 

 ginous ; crown and rump dis- 

 tinctly streaked T. strophiatm, p. 171. 



6*. Supercilium and breast pale ferru- 

 ginous ; crown and rump obso- 

 letely streaked T. jerdoni, p. 1 72. 



714. Tharrhaleus immaculatus. The Maroon-backed Accentor. 



Accentor immaculatus, Hodys. P. Z. S. 184-5, p. 34 ; Horsf. fy M. 



Cat. i, p. 361 ; Jerd. B. I. ii, p. 286 ; Hume, Cat. no. 651 ; Sharpe, 



Cat. B. M. vii, p. 656. 

 Accentor mollis, Blyth, J. A. S. B. xiv, p. 581 (1845) ; id. Cat. p. 131. 



Coloration. Forehead, crown, and nape dark ashy, the feathers 

 of the forehead margined with white ; upper back olive-brown 

 tinged with rufous, gradually changing to maroon on the lower 

 back, rump, scapulars, and outer webs of tertiaries and later 

 secondaries ; upper tail-coverts olive-brown tinged with rufous ; 

 tail greyish brown ; wing-coverts dark grey ; primary-coverts and 

 winglet black ; quills dark brown, the earlier primaries edged with 

 grey on the outer webs above the emarginations ; lores black ; 

 ear-coverts slaty brown ; chin, throat, breast, sides of neck, upper 

 abdomen, and sides of body ashy brown ; lower abdomen, vent, 

 and under tail-coverts dark chestnut ; thighs slaty. 



Iris whitish yellow ; bill black ; legs horny (Hume Coll.}. 



Length about 6 ; tail 2-5 ; wing 3-2 ; tarsus -9 ; bill from 

 gape -6. 



Distribution. Nepal and Sikhim. The specimens of this species 

 that I have examined from the latter country were killed from 

 October to April. It extends to Western China and Moupin. 



715. Tharrhaleus riibeculoides. The Robin Accentor. 



Accentor rubeculoides, Hodys., Moore, P. Z. S. 1854, p. 118 ; Horsf. 

 8f M. Cat. i, p. 361 ; Jerd. B. I. ii, p. 288; Stoliczka, J. A. S. B. 

 xxxvii, pt. ii, p. 53 ; Blanf. J. A. S. B. xli, pt. ii, p. 64 ; Hume Sf 

 Henders. Lah. to Yark. p. 234 ; Hume, Cat. no. 656 j Sharpe, 

 Cat. B. M. vii, p. 657. 



Coloration. Forehead, crown, nape, and sides of head brown ; 

 back, scapulars, and rump reddish brown with broad black streaks ; 

 upper tail-coverts nearly plain brown ; tail br.own, edged paler ; 



