. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. Yirro nnrehnraetnsis. First primary <listinct and larire, from two fil'tlis to half or more the length of the second, shorter or not longer than the eighth. The characters of Virco are essentially those of ; the hill, however, is shorter; the first (^11111 always present, hetter developed, sometimes more than half the second. The wings are shorter, and more rounded; tlie tarsi usually longer. The Vire
. A history of North American birds [microform] : land birds. Birds -- North America; Ornithology -- North America; Oiseaux -- Amérique du Nord; Ornithologie -- Amérique du Nord. Yirro nnrehnraetnsis. First primary <listinct and larire, from two fil'tlis to half or more the length of the second, shorter or not longer than the eighth. The characters of Virco are essentially those of ; the hill, however, is shorter; the first (^11111 always present, hetter developed, sometimes more than half the second. The wings are shorter, and more rounded; tlie tarsi usually longer. The Vireo noveboracensh. SCCtioUS arC aS folloWS : Vireo. Wings pointed : first quill less than half the seoon*!, which is about equal to seventh or eighth, and decidedly longer than the tenth primary and the secondaries. Type, V. norehorarensis. Vireonella. Wings rounded, scarcely longer than the tail; the first quill half as long as the second for more than half), which is not longer than the tenth primary and secon- daries, or even less. Bill and feet generally much sto'iter than the preceding. Type, V. gnudlachi None of the species of Vireonella are found in the United States. Species. Common- Ciiaractkrs. All the species olivaceous or ashy above, beneath whit- ish, or olivaceous-yellow. Wings with light bands. A light stripe from bill over the eye, but not beyond it, except in carmioli. Iris brown, as far as known, except in V. noi'eboracensis, where it is white. A* Two conspicuous light bands on wing. a. Sexes different. Whole lore white. 1. V. atricapillus. Above olive-green, outer edges of tail-feathers • bright yellowish -green ; wing-bands greenish-white. Sides oliva- ceous-j ellow. ^fale. Head and neck (exce[)t lore, orbital ring, chin, anlack; lower parts pure white medially. Female with the black replaced by dull slate ; lower parts ochraceous-white medially. Wing, '30; tail, ; tarsus, .G8; bill, from nostril, .24. Hab. Southern Texas ; Mazatlan, Mexico. b. Sexe
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectbirdsnorthamerica
