(WHITE-CRESTED TYRANT.)
+Elainea modesta+, _Burm. La-Plata Reise_, ii. p. 454. +Elainea
albiceps+, _Scl. et Salv. Nomencl._ p. 48; _Durnford, Ibis_,
1878, p. 60 (Buenos Ayres); _Barrows, Bull. Nutt. Orn. Cl._ vol.
viii. p. 200 (Entrerios); _White, P. Z. S._ 1882, p. 606 (Buenos
Ayres).
_Description._--Above dark ashy brown, with a slight olivaceous
tinge on the rump; head slightly darker, with a more or less
concealed white vertical spot; wings and tail blackish brown; tips
of wing-coverts, forming two transverse bands, and outer margins
of exterior secondaries dirty white; rest of wing-feathers and
tail-feathers slightly margined with lighter colour; below nearly
uniform pale cinereous, whiter on the throat and middle of the
belly; under wing-coverts slightly tinged with yellowish; bill
brownish; feet black: whole length 6·0 inches, wing 3·2, tail 3·0.
_Female_ similar.
_Hab._ Peru, Ecuador, Bolivia, Guiana, Brazil, Argentina, Chili,
Patagonia.
A widely spread species, very common near Buenos Ayres according to
White, where it is found in the clumps of trees.