298 



CHECK-LIST OF NORTH AMERICAN BIRDS. 



[P 252, C 126, R 140, C 176.] 

 Hab. Eastern \J--ni -A States ; south, in winter, to Costa Rica. 



629. Vireu sol* .^rius (Wils.). 



Blue-headed Vireo. 



Muscicapa solitaria VViLS. Am. Orn. II. iSio, 43, pi. 17, fig. 6. 

 Vireo solitariiis Vieill. Nouv. Diet. d'Hist. Nat. XXXVI. 1819, 103. 



[B 250, C 127, R 141, C 177.] 



Hab. Eastern United States to the Plains. In winter, south to 

 Mexico and Guatemala. 



629 «. Vireo solitarius cassinii (Xantus). 



Cassin's Vireo. 



Vireo cassinii XxsT. Pr. Ac Nat. Sci. Phila. 1858, 117. 

 Vireo soliiarius var. cassini Hexsh. Rep. Orn. Spec. (Wheeler's 

 Exp.), 1874, 105. 



[B251, C — , R i4idt, C 178.] 



Hae. Western United States ; confined to the Pacific slope during 

 the breeding season. 



629^. Vireo solitarius plumbeus (Coues). 



Plumbeous Vireo. 



Vireo plumbeus CouES, Pr. Ac. Nat. Sci. Phila. 1866, 74. 



Vireo solitarius vdit. plumbeus Allen, Bull. M. C. Z. III. 1872, 176. 



[B — , C 127^, R 141 /^, C 179.] 



Hab. Western United States, fi-om the eastern base of the Rocky 

 Mountains westward, south into Mexico in winter. 



Vireo Vieill. Ois. Am. Sept. I. 1S07, 83. Type, V. imisicus Vieill. 

 = Muscicapa noveboracensis Gmel. 



630. Vireo atricapillus Woodh. 



Black-capped Vireo. 



Vireo atricapillus Woodh. Pr. Ac. Nat, Sci. Phila. 1852, 60. 

 [B 427, C 133, R 142, C 185.] 

 Hab. Mexico and Texas, and north to Kansas. 



Subgenus VIREO Vieillot. 



