[68.] PHRYGILUS DORSALIS, Cab.
(RED-BACKED FINCH.)
Phrygilus dorsalis, Cab. Journ. f. Orn. 1883, p. 109.
Description.—Ashy grey; back rusty red; wing-coverts blackish; chin, lower belly, and crissum whitish: whole length 6·5 inches, wing 3·7, tail 2·6.
Hab. Tucuman.
Schulz discovered this species on the Cerro Vayo of Tucuman, near the snow-line. It reminds one of the North-American species of Junco in its coloration.
[69.] PHRYGILUS UNICOLOR (d’Orb. et Lafr.).
(SLATY FINCH.)
Phrygilus unicolor, Scl. et Salv. Nomencl. p. 31; Cab. J. f. O. 1878, p. 195 (Cordova). Phrygilus rusticus, Burm. La-Plata Reise, ii. p. 487 (Mendoza).
Description.—Above nearly uniform slaty grey, below paler, whiter on the middle of the belly; bill dark horn-colour, feet clear brown: whole length 6·0 inches, wing 3·6, tail 2·6. Female cinereous, with blackish shaft-spots above and below; paler on the middle of the belly.