PETCHORA 



321 



Pliylloscopus 

 trocliiliis. 



P. borealis, Bias. 

 P. sylvicultrix. 



P. tristis, Blyth. 



Bastard 

 Primaries 



First long 

 primary 



2nd, 3rd, 

 4th, and 

 5th l.p.'s 



B.p.'s large 



1st l.p. equal to 

 5th, longer than 

 6th 



One from Gardaia ' 

 cT has 1st shorter 

 than 5th and 6th 



B.p's very small 



1st l.p. between 

 4th and 5th 



B.p.'s very large, 



larger than P. 



trocliilus 

 1st l.p. inch 



shorter than 



2nd 



2nd, 3rd, 4th, and 

 5th are about 

 equal 



Winter speci- 

 m e n s from 

 India have 

 more buff than 

 our summer 

 ones from Pet- 

 chora 



P. eversmannii. \ P. lugubris. 



P. magnirostris. 



B.p. very large 

 1st l.p. equal to 



6th 

 B.p. larger than 



in one speci- 



m e n of P. 



eversmannii 



P. magnirostris. 



'Ibis,' 1874, p. 

 459, auct. W. 

 E. Brooks 



P. borealis. 



Ibis,' 1874, 

 459, auct. 

 E. Brooks 



B.p.'s very large 



2nd quill and 1st 

 l.p. are equal to 

 9th 



Wing being much 

 rounded 



B . p .' s very 



minute 

 1st l.p. midway 



between 5th and 



6th as in P. 



trochilus 

 Specimens from 



China of Swin- 



hoe's examined 

 P. sylvicultrij-, 



Swinh. 



