650 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXIII. 



Descnption. — As in Gates, F. B. I. 



Bistiibution. — Himalayas, from Nepal to the Daphla Hills. 



*IxtJLXJS PLAVICOLLIS FLAVICOLLIS, HodgSOn. 



The Yelloiv-naped Ivulus. 



Yuhina Jiavicollis, Hodgson, As. Res. xix., p. 167 (1836). 



Ivulus Jiavicollis, Sharpe, Cat., B. M., vii., p. 612 ; Gates, F. B. I., i., 

 p. 218. 



Description. — " Above obscure, with a slaty tinge ; cap pure rich brown ; 

 cheeks and nape paler ; back of the neck ritsty yelloio, continued in a collar 

 round the sides and front of the neck, and thence spread over the lower 

 surface of the body and diluted often to white ; Chin, throat, and 

 moustache dark brown ; remiges and rectrices internally diisky ; the 

 primaries edged externally with white on the outer webs, and all pale 

 internally on the inner ; lining of wings white ; sides of body shaped with 

 brownish ; legs yellowish fleshy grey ; bill fleshy brown ; Irish brown ; 

 head crested; size 5i"; ''Nepal." (Hodgson). 



Birds from Simla — 



Are very pale in colour, the collar showing traces of white at the sides 

 The tertiaries conspicuously tipped with white. 



Birds from Naini Tal — 

 The ?ame but tertiaries not tipped with white. 



Birds from Nepal to Bhutan — 

 The same pale coloured collar. 



Birds from Mt. Victoria — 

 Almost similar to those from Nepal. 



Birds from Assam — 

 Almost identical with I. r. harterti, collar a rich chestnut. 



Distribution. — The Himalayas from the Sutlej Valley to Bhutan, appearing 

 again in the Chin Hills ; birds from Assam have a very chestnvit collar 

 and are the next sub-species. 



IxULtrs FLAVICOLLIS HARTEKTI, HariugtOU. 



The Chestnut-naped Ivulus. 



Harington, Bull., B. G. C. xxxiii., p. 62 (1913). 



Description. — Adult: Similar to I Jiavicollis, Hodgson, from Nepal, but differs 

 in having the crest of a darker and richer brown ; the collar of a deeper and 

 brighter chestnut, and the back of a much darker olive-brown. In /. Jiavi- 

 collis the collar is pale rufous. 



Habitat. — The Bhamo Hills and Trans-Salw^een Shan States, Burma. 



Type in the Tring Museum: No. 232. $. Sinlum, Bhamo, 25-4-08. 

 H. H. Harington coll. 



Obs. — Birds from Assam are almost identical with examples from Burma ; 

 those from the Chin Hills (Mt. Victoria) approach nearer to I. Jiavicollis 

 from Sikhim. 



* Ixulus flavicollis baileyi, S. Baker. Bull., B. 0. C, xxxv, p. 17, 1914 

 "General plumag'e paler than in J./. j?(2t)icoZZis and the white sharp lines extend- 

 ing: over the whole of the upper parts instead of being confined to the scapulars and 

 upper back ; car-coverts pale grey instead of pale bronze brown as in I. f. flavicollis 

 and the brown of the crown and crest much paler and duller, with pronounced pale 

 shafts to the feathers. 



Habitat. — Mishmi Hills. 



[The above was published after Maj. Harington's paper was in type and it has 

 not been possible to add this new race to the key. — Eds.] 



