(SUIRIRI TYRANT.)
+Tænioptera suiriri+, _Burm. La-Plata Reise_, ii. p. 460 (Tucuman).
+Empidagra suiriri+, _Scl. et Salv. Nomencl._ p. 49; _iid. P. Z.
S._ 1869, p. 633 (Buenos Ayres); _Cab. J. f. O._ 1878, p. 197.
+Pachyrhamphus albescens+, _Gould, Zool. Beagle_, iii. p. 50, t.
xiv. (Buenos Ayres).
_Description._--Above cinereous; wings and tail blackish, all the
wing-coverts and outer secondaries broadly margined externally
with white; outer web of outer tail-feathers white; outer edges of
primaries and narrow ends of tail-feathers cinereous; below white,
under wing-coverts pale yellowish white; bill and feet black: whole
length 5·5 inches, wing 2·9, tail 2·5.
_Hab._ Argentine Republic, Uruguay, Paraguay, and Bolivia.
This species is stated by Prof. Burmeister to be found in Tucuman and
Northern Argentina. It also occurs near Buenos Ayres, where Hudson
obtained specimens for the Smithsonian Institution.