or Willow-Warblers. 103 



Phyllopneuste proregulus , Blasius, Naumanuia^ viii. p. 311 

 (1858, nee Pallas). 



Reguloides proregulus, Swinhoe, Ibis, 1863, p. 307, etante 

 (nee Pallas). 



Reguloides proregulus, Jerdon,B. of India, ii. p. 197 (1863, 

 nee Pallas). 



Sylvia bifasciata, Gaetke, Naumannia, viii. p. 419 (1858) . 



Bill very slender, under mandible dark brown. 



Upper parts greyish brown, dashed all over, especially on the 

 rump, with yellowish green. Wings and tail greyish 

 brown, with the outside edge of each feather broadly 

 margined with yellowish green. Outside edge of ter- 

 tiaries pale yellow. Primaries, from about the seventh 

 to the sixteenth, tipped ivith dirty white. Superciliary 

 streak pale yellow, some of the feathers immediately 

 above and below dashed with black (showing an approach 

 to Regulus) . 



Head rather darker than the back, with an indistinct mesial 

 line. 



Underparts yellowish white, greyer on the breast and flanks. 

 Axillaries, wing-lining, and thighs pale yellow. 



Third, fourth, and fifth primaries longest. Sixth rather 

 shorter. Seventh and eighth each considerably shorter 

 than the preceding. ' Second primary about equal to the 

 seventh, generally a shade longer, sometimes a shade 

 shorter. 



Bastard primary medium, the exposed part measuring -5 to *55. 



Both wing-bars very distinct. 



Length of wing — male 2*35 to 2'15, female 2'15 to 2 0. 



Length of tail — male 1'85 to 1'7, female 1"7 to 1'55. 



Legs and claws brown. 



This small and apparently delicate bird has a wider range 

 than almost any other species of the genus. It breeds in the 

 alpine districts of Southern Siberia, in Turkestan, and Cash- 

 mere. Its extreme northern range extends from the British 

 Islands to the Pacific. In Europe it is doubtless only a strag- 

 gler on migration. It also passes through North China and 

 North India on migration, and winters in Central India, 

 South China, Pegu, and the Tenasserim provinces. 



Skins obtained by Dr. Dybowski near Lake Baical are com- 

 mon in collections. SevertzoflF found it in Turkestan (Ibis, 



