1. SYLVIA. ^ 



Key to the Sjjecies. 



A. Tail shorter than the wing. Subterminal dark 



transverse band on tail, except two centre 



feathers. (Subgeneric group Aedones.) 



a. Centre tail-feathers rich chestnut-brown. 



Back pale chestnut-brown galactodes, p. 34. 



b. Centre tail-feathers and back greyish brown, familiaris, p. 36. 



B. Tail shorter than the wing. No subterminal 



dark band across tail. (Subgeneric group Sylvije.; 



c. Length of wing from 3-5 to 2-5 inches. If 



under S'fj inches, colour of legs and feet 

 bluish grey. 

 «'. Bastard primary generally shorter than the 

 primary-coverts, rarely equal in length. 

 Second primary generally equal in length 

 to the third, never shorter than the fifth. 

 a". Upper and under tail-coverts barred . . nisoria, p. 0. 

 b". Upper and under tail-coverts not barred. 

 a'". Chin and throat much whiter than 

 the rest of the underparts. Quills, 

 wing-coverts, and especially the in- 

 nermost secondaries, edged with 



pale chestnut dnerea, p. 8. 



b'". Chin and throat not whiter than the 

 rest of the underparts. Margins of 

 quills, wing-coverts, and innermost 

 secondaries the same colour as the 

 back, but somewhat paler. 

 a*. Lfngth of wing 3-5 to 30 inches. 



Head same colour as the back . . hortensis, p. 10. 

 fr'. Length of wing 2'85 to 2-6 inches. 

 Head and throat of male black. 

 Feathers on head of female with 



darker centres rueppelUi, p. 12. 



V . Bastard primary longer than the primary- 

 coverts. Seccind primary equal to or 

 shorter than the fifth. 

 c". Length of wing 3'2.5 to 2-05 inches, cul- 

 men 076 to 6 inch. Chin and throat 

 white. Head of male black. 



c'". Ciilmen 68 to 0-6 inch orpheus, p. 14. 



d'" . Culnien 076 to 0'06 inch jerdotii, p. 16. 



d". Length of wing3'0to 2'0inche.=, culmen 

 0'58 to 0'5 inch. Chin and throat 

 bluish grey. Head of male black ; head 



of female chestnut-brown atricapUla, p. 23, 



e" . Length of wing 2-8 to 2-3 inches, cul- 

 men 0-56 to 0'4 inch. Chin and throat 

 white. Head bluish grey. 

 e'". Back bluish grey, suffused with 

 brown. Length of wing 2'65 to 2'45 

 inches, culuien O'ol to 0'44. 

 c*. Second primary intei-mediate in 



length between the fifth and sixth, curruca, p. 16. 

 d*. Second primary intermediate in 

 length oetween the sixth and 

 seventh affinh, p. 19. 



