HERBIVOCULA.
Tail slightly rounded; bill broader than in " Phylloscopus." Herbivocula schwarzi (Radde).
j 9 Closely resembles "P. fuscatus" ; above olive brown, reddish on rump and upper tail coverts, supercilium buff ; beneath yellowish white, darker on flanks ; outer tail feathers 3.5 man.
shorter than central. 1st primary about twice length of coverts ; 2nd between 8th and loth ; 4th and 5th longest ; 3rd to 6th emarginate. Wing j 9 56-64 (W.). Tarsus 21-22. Bill 8-9. An E. Siberian species ; has occurred once in England.