. Birds of the Colorado valley ... scientific and popular information concerning North American ornithology;. Birds. 484 THE FAMILY VIREONID^ they may, I think, be properly dissociated, and form a family by themselves. Some of the less typical extralimital forms have occasionally been referred to the Tanagridm, with which nine-primaried Oscines, however, no relationship is obvious. The genus Icteria is still associated by some lead- ing ornithologists with the Vireonines, but this form seems decidedly Tana- groid or Sylvicoline. As here consti- tuted, the Vireonidce are a family
. Birds of the Colorado valley ... scientific and popular information concerning North American ornithology;. Birds. 484 THE FAMILY VIREONID^ they may, I think, be properly dissociated, and form a family by themselves. Some of the less typical extralimital forms have occasionally been referred to the Tanagridm, with which nine-primaried Oscines, however, no relationship is obvious. The genus Icteria is still associated by some lead- ing ornithologists with the Vireonines, but this form seems decidedly Tana- groid or Sylvicoline. As here consti- tuted, the Vireonidce are a family ). peculiar to America, comprising six or seven genera and some seventy alleged species, an unusual proportion of which appear to be well established. Vireo, in its broad sense, is the typical and principal genus, the only one found in North America, and characteristic of that country, though many other species occur in Middle and South America. The leading extralitnital genera are Mylophilus, Gydarhis, and Vireolanius, each of a number of species of Mexico and Central and South America. Neocliloe brevipennis is a special Mex- ican form. Laletes osburni is peculiar to Jamaica, being the only exclusively West Indian genus, though several species of Yireo are confined to the Antilles. To complete the list, 1 should mention the lately described Fhcenicomanes iora, of the West Indies,* considered by Sharpe and Sclater as related to Phoenicophilus. The notable genus Bulnsf is by some placed in Vireonidce, by others referred to Ampelidw. I continue as heretofore to reler all the North American species to the single genus Vireo, for reasons given under the following head. Genus VIBEO Vieillot Mnscicapa, p., of earlier authors. Vireo, VieiU. Ois. Am. Sept. i. 1807, 83, (Type Mmdcapa noveboracenHs Gm.)—Bd. Eev. AB. 1866,350 (monographic). VlreosylTa, Bp. Comp. & Geog. List, 1838,26 (evidently intended for Tireoeylvia). (Type Mugcicapa olivacea L.)—Bd. Eev. AB. 1866,3-26
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