niSTOKY OF THE GENUS VIREO 487 



The history of the genus began in 1807, when Vieillot estab- 

 lished Vireo upon species which had been referred by earlier 

 authors to Muscicapa — as MAI. novthoracensis and oUvacea — and 

 described the new species " Muscicapa" gilva, "M." altiloqua, 

 and Vireo Jiav if rons, besides renaming the two earlier species, 

 which he called respectively Vireo " virescens " and Vireo 

 " musicus". It is curious that, in establishing the genus Vireo, 

 he should thus have, nevertheless, described two Vireos as 

 " Muscicapa". In 1810, Wilson named " Muscicapa" solitaria, 

 "melodia", "sylvicola", and "cantatrix"j the first of these 

 holds, but the other three are respectively the same as gilvus V., 

 Jlavifrons V., and noveboracensis Gm. ; the name cantatrix is 

 derived from Bartram, 1791. An extralimital species was 

 named bartramii by Swainson in 1831, under the wrong im- 

 pression that it was North American; the name gave trouble, 

 and was not eradicated from our lists until 18G6. In 1838, Bona- 

 parte first i^roposcd to divide the genus into Vireosylva and 

 Vireo, basing the former name on the long-billed, long-winged 

 V. olivaceus, with apparently only nine primaries. Vireosylva, 

 by which Bonaparte doubtless meant to say Vireosylvia (as G. 

 R. Gray wrote in 1848), was changed by Cabanis in 1847 into 

 Phyllomanes, for no obvious reason. Audubon added one 

 species, V, belli, in 1844. In 1848, William Gambel added a 

 species (the subsequent barbatulus) to our fauna under the 

 name of altiloquus. Cassin gave a monographic sketch of the 

 genus in 1851,* adding three new species, V, huttoni, V. phila- 



tion. But the color test is often inapplicable, coverts and prinaaries being 

 usually like each other in this respect, and color sometimes points the other 

 way. Thus, in Siita carolinensis, a ten-primaried Oscine with spurious first 

 primary, the single remaining little feather is white at base across both webs, 

 like the primaries, the true primary coverts being white only on the inner 

 web. 



The subject is further discussed in my paper, from which this note is 

 extracted, " On the Number of Primaries in Oscines ", <^Bull. Nutt. Ornith. 

 Club, i. no. 3, Sept. 1676, pp. GO-63. See also the following : — 



1878. — Batciielder, C. F. Spurious Primaries in the Red-eyed Vireo [Vireo 

 olivaceus]. <^Iiull. Null. Ornith. Club, iii. no. 2, Apr. 1878, pj). 97, 1)8 



The ■writer has apparently me.isured the quill from the cirjial joint, giviug 

 dimensiuiiH much above those of the exposed portion ol' the feather. 



•1851. Cassin, J. Sketch of the Birds composing the genera Vireo, Vieillot, 

 and Viieosylvia, Bonaparte, with a List of the previously known 

 and descriptions of three new species. <" Proc. Acad. Aat. Sci. Phila. 

 v. 1851, pp. 149-154, pU. x, xi. 



Vireo, 5 spp. ; V. huttoni, p. 150, pi. x. f. 1, sp. n. Vircogylvia, 6 spp. ; V. flavo- 

 viridis, p. 152, pi. xi. ; V. philadelphica, p. 153, pi. x. f. 2, 8pp. na. 



