(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.