. The birds of eastern North America known to occur east of the nineteenth meridian .. . Throat, black ; crowu, olive green; sides of head, yellow: wing bands, white. Black=throated Green Warbler. Dendroica virens {adult male).See No. 508. Throat, black; ear coverts, black; crowu, yellowisli; wing bands, Qolden=winged Warbler. Helmintliophila chrysopiera (mak).See No. 488. Throat, black; crown, dull blue; sides ofbreast, bbiish l)lack: a jiatch of white atbase of primaries. Black=throated Blue Warbler. Dendroica avridesccns (adult male).See No. 497. 298 KEY TO THE ]JIKI>S OF EASTER
. The birds of eastern North America known to occur east of the nineteenth meridian .. . Throat, black ; crowu, olive green; sides of head, yellow: wing bands, white. Black=throated Green Warbler. Dendroica virens {adult male).See No. 508. Throat, black; ear coverts, black; crowu, yellowisli; wing bands, Qolden=winged Warbler. Helmintliophila chrysopiera (mak).See No. 488. Throat, black; crown, dull blue; sides ofbreast, bbiish l)lack: a jiatch of white atbase of primaries. Black=throated Blue Warbler. Dendroica avridesccns (adult male).See No. 497. 298 KEY TO THE ]JIKI>S OF EASTERN NORTH AMERICA.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1900