. The birds of Illinois and Wisconsin . nner web; rest of tail feathers, without white; no white spot at base of primaries. Vermivora Warbler. See No. 307. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 253 Throat and under parts, buffy white; crown and back, olive green;bases of primaries, white, forming a small spot on wing (female). Dendroica Blue Warbler. See No. 312. Throat, gray; belly, white (breast, often washed with yellow);crown, yellowish green; wing coverts, broadly tipped with yellow(female). Vcrniivora chrysoplcra. Golden-win


. The birds of Illinois and Wisconsin . nner web; rest of tail feathers, without white; no white spot at base of primaries. Vermivora Warbler. See No. 307. Jan., 1909. Birds of Illinois and Wisconsin — Cory. 253 Throat and under parts, buffy white; crown and back, olive green;bases of primaries, white, forming a small spot on wing (female). Dendroica Blue Warbler. See No. 312. Throat, gray; belly, white (breast, often washed with yellow);crown, yellowish green; wing coverts, broadly tipped with yellow(female). Vcrniivora chrysoplcra. Golden-winged Warbler. See No. 305. GROUP 3. Wing, to inches long. PART 1. The following species have the throat, breast, and belly, yellow; the breast, more or less streaked; some tail feathers, marked with white :— Under parts, pale yellow; sides of breast, more or less streakedwith black; under tail coverts, white; crown, grayish; back andrump, ashy gray, streaked wnth black. Dendroica kirtlandii. Kirtlands Warbler. See No. Tail of Blackburnian Warbler. Throat and breast, orange, belly, pale yellow; sides of breast,streaked with black; crown, black, with orange spot in center; back,black, streaked with whitish; rump, black; under tail coverts, white. Dendroica blackburnice. Blackburnian Warbler. See No. 319. Under parts, very pale yellowish, almost yellowish white, faintlystreaked with black; under tail coverts, white; crown, back, andrump, olive green, streaked with black. Dendroica striata (female). Black-poll Warbler. See No. ^18. 254 Field Museum of Natural History—Zoology, Vol. IX. Under parts, yellow; sides of breast, streaked with olive; undertail coverts, ashy; crown, back, and rump, olive green (not streaked). Dendroica Warbler. See No. 323. Under parts, yellow; ear coverts, rufous chestnut; breast, streakedwith black; crown, black, or olive gray; back, olive green, markedwith black; rump, yellow; under tail coverts, yellowish white; apatch


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