VIRE0NIDzl3 — THE GREENLETS — VIUEO. 



121 



Vireo atricapillus, Woodhousb. 



THE BLACK-HEADED GEEENLET, 



llrco (lirirapiUus, Woodiioose, I'r. Ac. N. Sc. 1852, 60. — Cassin, Ilhist. 1854, 153; pi. 

 xxiv. — Baihd, Biiils N. Amer. 1858, .337. Ib. Roy. Birds Araer. 353. 



Sp. Cii.\r. Top and pidos of head and neck blaek, rest of ii])per jiart olive-green. 

 Wing and tail feathers almost blaek on their ujiper surfaec ; the quills and rectrices edged 



with olive : the wing coverts with two greenish-white bands on a blackish ground. Broad 

 line from bill to and aroimd eye, with under parts white. Bill black. Length, 4.75 ; ex- 

 tent, 7.25 ; wing, 2 25 ; tarsus, 0.75. 

 Hah A^'estern Texas. 



V. atricapillus. 



Thi.s .specie.s, unique among the Vireonida:, is very little known, only two 

 or three specimens having so far been obtained. 



Vireo Huttoni, Cassin. 



HTTTTON'S GEEENLET. 



Vireo nulloni, Cassin, Pr. A. N. Sc. Phil. V. Feb. 1851, 150. Id. VI. ; pi. i. f. 1. — Baird, 

 P. R. Rep. IX. Birds N. Amer. 339; pi. 78, f. 2 (eye too small). In. Rev. Amer. 

 Birds, 357. 



Sp. Guar. Fourth, fifth, ami sixth quills about equal and longest ; third and seventh 

 equal, and 0.10 of an inch shorter; second (juiU not longer than secondaries; spurious 

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