40 TTJRmD.^. 



f. Second primary intermediate in lengtli be- 



t-weeu the sixth and ninth. Tail f, the 



length of the wing. Legs nearly black ^ . rufus, p. bU. 



g. Wings and tail as last. Legs black. No 



Yellow on underparts, except on axillanes, 



Wing-lining, and thighs • • • • trishs, p. 63. 



h. BiU very long and slender, as m Dumehcola tytleri, p. bb. 

 i. Second 'primary about equal to the tenth ; 



under mandible pale ; underparts yellow . . affims, p. bS. 

 C. Bill slender ; under mandible dark. Two bars 

 across the wings. Generally a pale mesial Ime 



onthecrown.^ (Subgeneric group Reguloid^e.) 



k. Inner web of outside tail-feathers narrowly 

 margined with white or pale grey. 

 f. Rump bright yellow, well defined from 



the oUve-greei back proregvlus, p. 71. 



g'. Rump nearly imiform in colour with the 

 back, 

 fl". Second primary generally mtermediate 

 in length between the sixth and 

 seyenth, very rarely between the 

 seyenth and eighth. ' Mesial line ob- 

 scure. Eye-stripe yellow or white. 



Two well-defined wing-bars svpercihosus, p. b». 



h". Second primary occasionally interme- 

 diate in length between the seventh 

 and eie-hth.' generally between the 

 eighth and ninth, and occasionally be- 

 tween the ninth and tenth. Eye-stripe 

 buff. Upper wing-bar very obscure. . At/»m, p. b7. 

 i". Wing-formula as last. Eye-Stripe and 

 underparts greenish yellow. Upper 



wing-bar verv obscure svbvmdis, p. 74. 



/. Inner web of two and frequently three outside 

 tail-feathers on each side pure white. 

 h'. Throat greenish yellow ; wing-bars orange pulcher, p. 16. 

 i'. Throat pale grey'; wing-bars yellow .... maculipenms, p. /U. 



1. Phylloscopus borealis. 



Sylvia (Phyllopneuste) eversmanni, Bonap. apvd MiM. Sibir. Reise, 



"p 178 (1851), ajmd Hadde, Beis. Sihir., Vog. p. 263 (18G3). 

 Phyllopneuste borealis. Bias. Nmnn. 18C8, p. 313; Sicmhoe, P. Z. S. 



1871 p 3o6; Tacz. Bull. Soc. Zool. France, 1876, p. 141; Prjev. 



Bowler/s Orn. Misc. ii. p. 171 (1877) ; David et Oust. Ois. Chine, 



PlFylloscopus lyivicultrix, Swinhoe, Ris, 1860, p. 53, 1866, p. 295. _ 

 Svhaa flavescens. Gray, P. Z. S. 1860, p. 349 ; id. Sand-l. B. i. 



'p 215 no. 3047 (1809). 

 Phylloscopus hylebata, Swinhoe, J. A. S. Beng. xxix. p. 265 (1860). _ 

 Sylvia (Phyllo'pneuste) borealis {Bias.), Naum. Vog. Deutschl. xiu. 



p 69, pi '375. fig. 1 (1860). 

 PhvUoscopus boreahs {Bias.), Blgth, Ms, 1867, p. 28; fe6o/»n<^ 



Harvie Brown, Ibis, 1876, p. 216 ; Hxime, Sir. F. iv. p. 290 (18/6) ; 



Sharpe, Ibis, 1877, p. 16 ; Seehohm, Ibis, 1877, p. 69 ; Hume, Str. 



F. vi. p. 352 (1878) ; Seebohm, Ibis, 1879, p. 9. 



