. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. Fig. go. Black-AAiiiskered Vireo. Fig. 61. A^ireo flavoviritlis Obs. Another species or varietjr of this long-billed, 9-primaried group, V. fla- vovirkUs (Cass., Proc. Acad. Phila. 1851, 153: Bd., 332 and Rev. 330), occurs in Mexico and may be expected over our border, though no specimens appear to have been taken within our limits ; it has bee
. Key to North American birds; containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary. Illustrated by 6 steel plates and upwards of 250 woodcuts. Birds. Fig. go. Black-AAiiiskered Vireo. Fig. 61. A^ireo flavoviritlis Obs. Another species or varietjr of this long-billed, 9-primaried group, V. fla- vovirkUs (Cass., Proc. Acad. Phila. 1851, 153: Bd., 332 and Rev. 330), occurs in Mexico and may be expected over our border, though no specimens appear to have been taken within our limits ; it has been admitted into late systematic works. It closely resembles olivaceus, but the mider parts are j'ellow, brighter perhaps, at least on the axillars and crissum, than olivaceus ever becomes, even in the fall. i Brotlterly-love Vireo. Above dull olive-green, brightening on the rump, fading insensibly into ashy on the crown, which is not bordered with blackish ; a dull white superciliary line ; below, palest possible yellowish, whitening on throat and belly, slightly olive-shaded on sides ; sometimes a slight creamjr or buffy shade throughout the imder parts ; no obvious wing-bars ; no spuri- ous quill. About 5 long; wing 2|; tail 2J ; bill hardly or al)out J ; tarsus §. Eastern North America; a small, plainly colored species, almost indistin- guishable from gilvus except by absence of spurious quill; not very common. Cass., Proc. Acad. Phila. 1851, 153; , Bd., 335; Rev. 340. philadelphicus. v^"* Warbling Vireo. Colors precisely as \w»> in the last species ; spurious quill present, * \-^ as long as the second primary. ,i. waiuiingviico. Eastern North America, an abundant little bird and an exquisite songster. Its voice is not strong, and many birds excel it in brilliancy of execution ;. Fig. 62. Brociierly-love Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, bookyear1872
