222 



ZOOLOGY BIRDS. 



have the same power to charm the ear in the solitude of its wild home as 

 when heard under the more familiar conditions of civilization. 



VIREO SOLITARIUS (Wils.). 

 Solitary Vireo. 



Miiscicapa solitaria, WILS., Am. Orn., ii, 1810, 143, pi. xvii, f. 6. 



Vireo solitarius, BD., Birds N. A., 1858, 340. HEERM., P. R. R. Rep., x, pt. ii, 1859, 



55._Coop. & SUOKL., P. R. R. Rep., xii, pt. ii, I860, 189. HAYD., Trans. 



Am. Phil. Soc., xii, 1862, 163. COOPER, Proc. Gal. Acad., 1870, 175. 



COUES, Key N. A. Birds, 1872, 66, 121. SNOW, Birds Kan., 1872, S. 



COUES, Birds Northwest, 1874, 99. 

 Vireoftylvia solitaria, COOPER, Birds Cal., 1870, 117. 

 Lanivireo solitarius, BD., BREW., & RIDG., Birds N. A., i, 1874, 373. 



The Solitary Vireo appears to occur in the Southern Rocky Mountains 

 only as a migrant, and to be wholly replaced there in summer by the nearly 

 allied variety, the plumbeous Vireo (var. plunibeus). In its course southward 



