2. PHTLLoscorrs. 39 



h'. Second primaiy shorter than the sixth. 

 ". Second primary longer than the eighth. 

 a'". Upper parts yellowish green ; under- 



parts primrose-yellow ; legs brown nitidiis, p. 43. 



h'". Upper parts olive ; underparts pale 



greyish yellow. Length of wing 



2'5 to 21 inches. Legs plumbeous. 



a^. Greater and median wing-coverts 



•with pale tips plumbeitarsus, p. 45, 



b*. Greater wing-coverts only with 



J ale tips viridanus, p. 44. 



c'". Upper parts olive-brown, shading into 

 russet on the rump ; underparts pale 

 grevish buff, sliading into white on 

 the throat and belly. Legs pale 



flesh-colour tenellipes, p. 46. 



d". Upper parts dark olive-gi-een ; under- 

 parts pale greyish yellow. Length 

 of wing 2 S'i to 2 '4 inches. Legs 



pkunbeous magnirostris, p. 47. 



c'. Second primary equal to the ninth or tenth hnjubris, p. 4S. 

 h. A pale mesial Une on the crown. 



d'. Second primary longer than the seventh ; 

 under tail-coverts pale yellow, in marked 

 contrast to the nearly pure white of the 



belly coronatus, p. 49. 



e'. Second primary shorter than the seventh ; 

 underparts neai'ly uniform yellowish 

 white. 

 d". Length of wing 2-6o to 2-3 inches. 

 Second primaiy intermediate in length 

 between the seventh and eighth .... occipitalis, p. 50. 

 e". Length of wing 24 to 2-1 inches. 

 Second primary intermediate in length 

 between the eighth and twelfth .... reyuhides, p. 51. 

 /". Length of wing 215 to 1-85 inch. 

 Second piimaiy intirmediate in length 

 between the ninth and twelfth ; inner 

 web of two outside tail-feathers on 



each side entirely white viridipennis, p. 53. 



B. Bill nan-ower at the ba.'^e, flattened, slender, 

 with moderately developed rictal bristles. 

 Buth mandibles usually dark, but the under 

 mandible in rare instances pale. No bar across 

 the wings. (Subgeneric group Phylloscopi.) 



c. Bastard primary shorter than the piimary- 



covert.s, measuring from 03 to 0'4 inch. 

 Second primaiy always longer than the 

 fifth sihilatri.r, p. 54. 



d. Second primary intermediate in length be- 



tween the fifth and sixth (in very rare in- 

 stances shorter than the sixth). Tail -^^ the 

 length of the wing. Legs brown trochiliis, p. 56. 



e. Second primary intermediate in length be- 



tween the fifth and seventh. Head and 

 upper back huffish brown, in strong con- 

 trast to the yeUow riuiip. boneUii, p. 59. 



