110 AVES INSESSORES. [SYLVIA. 



grayish ash, tinged with brown : under parts silvery 

 white : tail particoloured. 



S. Curruca, Temm. Man. d'Orn. torn. t. p. 209. Lesser White- 

 Throat, Lath. Syn. Supp. p. 185. pi. 113. Mont. Om. Diet. Bew. 

 Brit. Birds, vol. i. p. 253. Selb. Must. vol. i. p. 215. pi. 100. f. 4. 



DIMENS. Entire length five inches three lines. 



DESCRIPT. Crown of the head cinereous ; space between the eye and 

 the bill, and ear-coverts, the same, but darker-coloured : rest of the upper 

 parts grayish ash, inclining to brown : quills dusky brown, edged with 

 cinereous : all the under parts, from the throat to the vent, silvery white : 

 tail dusky ; outer feather white, except at the base of the inner web ; the 

 two next faintly tipped with white : bill dusky ; the lower mandible pale 

 at the base: irides yellowish: feet dusky lead-colour. (Egg.) White, 

 sparingly spotted and speckled, principally at the larger end, with ash- 

 colour and light brown : long. diam. eight lines ; trans, diam. six lines 



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DIMENS. Entire length five inches three lines: length of the bill 

 (from the forehead) four lines and a half, (from the gape) six lines and a 

 half; of the tarsus nine lines; of the tail two inches one line; from the 

 carpus to the end of the wing three inches : breadth, wings extended, 

 eight inches eight lines. 



DESCRIPT. All the upper parts bright yellow green : above the eye 

 a broad streak of bright sulphur-yellow, arising on the forehead at the 

 base of the upper mandible and terminating on the temples : sides of 

 the head, throat, fore part of the neck, axillae, and thighs, pale primrose- 

 yellow; rest of the under parts pure white: quills dusky, edged with 

 green : tail slightly forked, extending eight lines and a half beyond the 

 tips of the folded wings ; dusky, with each feather, except the outermost, 

 likewise edged with bright y ellow- green : bill and legs pale brown. 

 (Egg.) White, spotted and speckled all over with dark purple, red, and 

 ash-colour : long. diam. eight lines ; trans, diam. six lines. 



