b. With an acute spurious primary … Sp. solitarius, plumbeus.

Vireo. Bill stout, scarcely compressed, sub-cylindrical. First primary not spurious, or, if so, not acute.

a. Two conspicuous light bands on wing … Sp. atricapillus, noveboracensis, huttoni.

b. One distinct light band on wing, and this not sharply defined, the anterior one being almost obsolete … Sp. belli, pusillus, vicinior.

Subgenus VIREOSYLVIA, Bon.

Vireosylvia, Bon. Geog. Comp. List, 1838. (Type, Muscicapa olivacea, Lin.)

Phyllomanes, Cab. Arch. 1847, I, 321. (No type mentioned; name proposed as substitute for Vireosylvia.)

Vireo olivaceus.
40089

Gen. Char. Wings long and pointed, one third or one fourth longer than the nearly even or slightly rounded tail. First quill very small (less than one third the second), sometimes apparently wanting. Second quill longer than the seventh, much longer than the secondaries. Tarsi short (scarcely exceeding .70 of an inch); toes rather long. Body slender and elongated. Bill slender, narrow, straight; the culmen straight for its basal half, the commissure quite straight; light horn-color, paler beneath. Feet weak. Type, V. olivaceus.