(VIOLET-EARED HUMMING-BIRD.)
+Petasophora serrirostris+, _Scl. et Salv. Nomencl._ p. 89;
_Elliot, Syn. Troch._ p. 52; _Gould, Mon. Troch._ iv. pl. 223.
+Petasophora crispa+, _Burm. La-Plata Reise_, ii. p. 447
(Tucuman).
_Description._--Head, upper surface, wing-coverts, flanks, and
abdomen dark yellowish green; ear-coverts rich violet-blue; wings
purplish brown; tail dark bluish green, crossed near the tip by a
broad chalybeate band, beyond which the tips are of a lighter bluish
green; throat and upper part of the breast luminous green; across
the breast a gorget of shining bluish green; vent and under
tail-coverts pure white; bill black; feet blackish brown: whole
length 3·8 inches, wings 2·8, tail 1·7. _Female_ similar, but not
so bright.
_Hab._ S.E. Brazil.
Dr. Burmeister informs us that he met with this Humming-bird in
multitudes in the month of September among the orange-blossoms in the
Quintas of Tucuman. It is a well-known species in South-east Brazil, but
we know of no other record of its occurrence so far south as Tucuman.