278 CHECK-LIST OF NORTH AMERICAN BIRDS. 



[B 2o^,part, C 88, R 103, C 129.] 



Geog. Dist. — Southeastern United States, north to southern 

 Maryland and Virginia, and casually to southern New England; 

 south to the West Indies. 



663 a. Dendroica dominica albilora Ridgw. 



Sycamore Warbler. 



Dendroica dominica var. albilora Baird MSS. Ridgw. Am. Nat. 

 VII. Oct. 1873, 606. 



[B 20^, part, C 88a, R 103a, C 130.J 



Geog. Dist. — Mississippi Valley, west to the Plains, north to 

 Lake Erie and southern Michigan, and east to western North Caro- 

 lina ; in winter south to southern Mexico, Honduras, Guatemala and 

 Nicaragua. 



664. Dendroica gracise Baird. 



Grace's Warbler. 



Dendroica gracice. " Coues MSS." Baird, Rev. Am. B. I. April, 

 1865, 210. 



[B— , C 87, R 104, C 128.] 



Geog. Dist. — Southern New Mexico and Arizona, and southward 

 into Sonora. 



665. Dendroica nigrescens (Towns.)! 



Black-tbroated Gray Warbler. 



Sylvia nigrescens Towns. Journ. Ac. Nat. Sci. Phila. VII. 1837, 



191. 

 Dendroica nigrescens Baird, B. N. Am. 1858, 270. 



[B 192, C 75, R 105, C 116.] 



Geog. Dist. — Western United States, north to Colorado, Oregon, 

 and British Columbia west of the Cascades, migrating to southern 

 Mexico in winter. 



666. Dendroica chrysoparia Scl. & Salv. 



Golden-cheeked Warbler. 

 Dendroica chrysoparia Scl. & Salv. P. Z. S. i860, 298. 



