or Willow -War biers. 67 



Hypolais. Bill larger, and pale underneath ; no bar across 

 the wings. 



Phylloscopus {Acanthopneuste) . Bill large, and pale un- 

 derneath ; one, and frequently two bars across the wings. 



A. No mesial line on the crown. 



1. borealis (Blasius). 5. teneUipes, Swinlioe. 



2. xanthodryas, Swiuhoe. 6. plumb eitarsus, Swinhoe. 



3. nitidus, Blyth. 7. magnirostris, Blyth. 



4. viridanus, Blyth. 8. lugubris, Blyth. 



B. A mesial line on the crown. 



9. coronata (Temminck). 12. viridipennis, Blyth. 



10. occipitalis (Jerdon). 13. presbytis (Miiller). 



11. trnchiloides (Sundevall). 



Phylloscopus [Phylloscopus .) Bill slender, more or less 

 dark underneath : no bar across the wings. 



O. Axillaries and wing-lining buff. 



14. schwarzi (Radde). 17. indicus (Jerdon). 



15. fuscatus, Blyth. 18. fuliginiventris (Hodgson). 



16. umbrovirens (Ptiippell). 



D. Axillaries and \ving-liniiig yellow or white. 



19. 5^6^/a^n,27 (Bechstein) . 24. ^m/is, Blyth. 



20. trochilus (Linnaeus), 25. neglectus (Hume). 



21. gatkei, Seebohm. 26. affinis (Tickell). 



22. bonellii (Vieillot). 27. tytleri (Brooks). 



23. coUybita (Vieillot). 



Phylloscopus [Reguloides] . Bill slender, more or less 

 dark underneath ; two bars across the wing ; a more or less 

 distinct mesial line on the crown. 



28. superciliosus (Gmelin). 31. subviridis (Brooks). 



29. proregulus (Pallas). 32. maculipennis (Blyth). 



30. erochrous (Hodgson). 



The geographical range of this group seems to be confined 

 to the Old World, one species only having hitherto been found 



r2 



