. Directory to the birds of Eastern North America .. . n an ascend-ing scale. k. Green Warblers. ; bills, rather slender; wings, slightly rounded, notreaching beyond middle of tail, both coverts of which do notreach beyond its middle; two wing bars; tail spots, large;bright green above. Type, Motacilla virensGmelin. Ances-tral origin, Central America. 1. BLACK-THROATED GREEN WARBLER, Y. ; cheeks and forehead, yellow; throat, and streaks onsides, black, fig. 320. Female, throat more or less yellow,thus encroaching on the black patch. Young, with less blackon breast.


. Directory to the birds of Eastern North America .. . n an ascend-ing scale. k. Green Warblers. ; bills, rather slender; wings, slightly rounded, notreaching beyond middle of tail, both coverts of which do notreach beyond its middle; two wing bars; tail spots, large;bright green above. Type, Motacilla virensGmelin. Ances-tral origin, Central America. 1. BLACK-THROATED GREEN WARBLER, Y. ; cheeks and forehead, yellow; throat, and streaks onsides, black, fig. 320. Female, throat more or less yellow,thus encroaching on the black patch. Young, with less blackon breast. Breeds in eastern N. A. from Conn, and southern111. north to Hudson Bay and south along the Alleghaniesto S. C.; winters in Central America; south in Sep.; north inMay. Abundant in white pine woodlands and less so amongpitch pines. Song, of five or six notes, (rOOtZ Saint The-re-sa given with a rising inflection and with a decided accenton the last syllable ; another song, usually given in late sum- DIBECTORY TO BIRDS OF EASTKKX NORTH AMERICA, .1543. CC, H, k, 1. 1-3. mer is, ^Trees, trees, mur-mur-ing trees^^; there are also othervariations but all are given With a peculiar intonation thatalways characterizes the species. 2. TOWNSENDS WARBLER, Y. townsendi. DifEersfrom 1 in having the top of head Fig. 320. and cheeks black, and in being dis-tinctly yellow below the blackbreast patch. Breeds in westernN. A. from the mountains of south-ern Cal. to Alaska ; winters in Cen-tral America; south in Sep.; northin May. Accidental in Penn. 1. Field Large; wings short and ratherrounded, not reaching middle oftail; two wing bands ; tail spots notlarge; slaty above; yellow beneath with black , Sylvicola kirtlandii Baird. Ancestral origin, West In-dies. WARBLER, A kirtlandi. ;slaty above with feathers ofback tinged with rufous; yel-low beneath; patch on side ofhead, spots on breast and ontop of head, black, fig. , duller. Breeds inMich. ; n


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