b TUKDIDJ;. 



f". Back bluish grey. Length of wing 

 28 to 2-5o inches, ciilmen O-oO to 

 Ool inch althea, p. 19. 



g'". Biick pale isabelline brown. Length 

 of wing 2'4o to 2-3 inches, culmen 

 041 inch minuscula, p. 20. 



d. liength of wing 2-45 to 2-0 inches. Colour 



of legs and feet brown or pale brown. 

 e' . Chin white or nearly so. 



f . Head slate-grey or dark slate-grey. 

 /<"'. Innermost secondaries margined 



with brownish white mystacea (S , p. 20. 



i'" . Innermost secondaries margined 



with bright chestnut conspicillata cJ, p. 22. 



g". Head brown or buff. 



k'". Head buff. Centre tail-feathers 

 bright giraffe, contrasting with the 

 brown of the rest of the tail- 

 feathers nana, p. 26. 



I'", Head brown. Centre tail-feathers 

 brown, scarcely paler than the 

 others, 

 e*. Innermost secondaries broadly mar- 

 gined with chestnut conspicillata 5 , p. 22. 



p. Innermost secondaries margined 

 with bro'^\Tiish white. 

 a'. Second primary intermediate in 

 length between the sixth and 

 seventh, or seventh and eighth mystacea J , p. 20. 

 6'. Second primary intermediate in 

 length between the fourth and 



fifth, or fifth and sixth suhalpina 5 > P- 27. 



d' . Chin and breast chestnut subalpina (S , p. 27. 



e'. Chin and breast dark brown or black, 



with white edges to the feathers melanot/iora.7i, p. 28. 



C. Tail longer th m the wing. (Subgeneric group Melizophili.) 



e. Head brownish black ; back brown. Legs 



and feet bluisli grey blanfordi, p. 29. 



f. Legs pale brown. 



h". Chin and upper throat nearly white . . rnelanocephala, p. 29. 

 i". Chin and underparts chestnut-brown , . jn-oviiuialis, p. 3L 

 k". Chin and throat grey. 



m'". Breast vinous red deserticola, p. 32. 



«'". Breast dark grej^ sarda, p.- 33. 



1. Sylvia nisoria. 



Sylvia nisoria (Berhsf.). 



Motacilla nisoria, liechst. Xaturg. Deutschl. iv. p. -580, pi. xvii. (179.5). 



Sylvia nisoria (JBechst.), Beclist. Orn. Taschoib. i. p. 172 (1802) ; 

 Wdf, Taschenb. i. p. 227 (1810); Temm. Mnn. d' Orn. p. 108 

 (1815); id. Man. d'Orn. i. p. 200 (1820); Vieill. Famie Franq. 

 i. p. 223 (1820) ; Naum. Vog. Deutschl. ii. p. 430 (1822); Roii.v, 

 Orn. Prov. p. .341 (182oJ ; Eversm. Add. Pall. Zoogr. Russn- 

 Asiat. fasc. i. p. 18 (183-5) ; Kegs. u. Bias. IVirh. Eur. p. 189 (1840) ; 

 Nord. Demid. Voi/. Russ. m&id. iii. p. 147 (1840) ; Werner, Atlas, 

 Imectiv. pi. 38 "(1842); Gray, Gen. B. i. p. 1-74 (1848): Bp. 



