(DIUCA FINCH.)
Diuca vera, Burm. La-Plata Reise, ii. p. 483 (Mendoza). Diuca grisea, Scl. et Salv. Nomencl. p. 31.
Description.—Above grey, sides of head darker; wings and tail blackish, edged with grey; lateral rectrices tipped with white; below grey, whole chin and throat and middle of the belly white; lower flanks and crissum stained with rufous; bill plumbeous; feet dark hazel: whole length 6·3 inches, wing 3·3, tail 2·6. Female similar, but tinged with brownish, and colours more obscure.
Hab. Chili and Western Argentina.
This well-known Chilian species is said by Burmeister to be not unfrequent near Mendoza and along the range of the Cordilleras.
[74.] DIUCA MINOR, Bp.
(LESSER DIUCA FINCH.)
Diuca minor, Burm. La-Plata Reise, ii. p. 483 (San Louis, Cordova); Scl. et Salv. Nomencl. p. 31; Hudson, P. Z. S. 1872, p. 537 (Rio Negro); Durnford, Ibis, 1878, p. 393 (Tombo Point, Pat.); Döring, Exp. al Rio Negro, Zool. p. 39 (R. Colorado, R. [Negro]); Barrows, Bull. Nutt. Orn. Cl. viii. p. 131 (Concepcion, Entrerios).
Description.—Grey; head, neck, and back faintly washed with brown; wings blackish, the feathers edged with brownish grey; tail-feathers black, tipped with white on the inner webs; beneath, from the bill to the chest, white; upper part of breast and sides grey; rest of the under surface white; a bright chestnut spot on the flanks: whole length 6·5 inches, wing 3·2, tail 2·6. Female similar, but less bright than male.
Hab. Argentina and Patagonia.