200 CHECK-LIST OF NORTH AMERICAN BIRDS. 



486. Corvus corax sinuatus (WAGL.). 



American Raven. 



Corvus sinuatus WAGLER, I sis, 1829, 748. 



Corvus corax sinuatus RIDGW. Pr. U. S. Nat. Mus. VIII. 1885, 



355- 



[B 423, 424, C 226, R 280, C 338.] 



GEOG. DIST. Western United States, from the Rocky Mountains 

 westward, and south to Guatemala. 



486 a. Corvus corax principalis RIDGW. 



Northern Raven. 



Corvus corax principalis RIDGW. Man. N. Am. B. 1887, 361. 



[B 423, part, C 226, part, R impart, C 338, /<zr/.] 

 GEOG. DIST. Northern North America, south to British Colum- 

 bia, northern Michigan, New Brunswick, Maine, New Jersey, North 

 Carolina, etc. 



487. Corvus cryptoleucus COUCH. 



White-necked Raven. 



Corvus cryptoleucus COUCH, Pr. Ac. Nat. Sci. Phila. April, 1854, 

 66. 



[6425, C22 7 , R 2 8i, C3 39 .] 



GEOG. DIST. Southern border of the United States, from Texas 

 to southern California, north to Colorado and western Kansas, south 

 into northern Mexico. 



488. Corvus americanus AUD. 



American Crow. 



Corvus americanus AUD. Orn. Biog. II. 1834, 317. 



[B 426, C 228, R 282, C 340.] 



GEOG. DIST. North America, from the Fur Countries to the south- 

 ern border of the United States. Locally distributed in the West. 



488 a. Corvus americanus florid anus BAIRD. 



Florida Crow. 



Corvus americanus var. floridanus BAIRD, B. N. Am. 1858, 568. 



[B 427, C 228^, R 2820, C 341.] 

 GEOG. DIST. Florida. 



