200 CHECK-LIST OF NORTH AMERICAN BIRDS. 
486. Corvus corax sinuatus (WAGL.). 
American Raven. 
Corvus sinuatus WAGLER, Isis, 1829, 748. ; 
Corvus corax sinuatus Ripcw. Pr. U.S. Nat. Mus. VIII. 1885, 
00° 
[B 423) 434, Ci226.R) 280,'C (age. 
Groc. Dist.— Western United States, from the Rocky Mountains 
westward, and south to Guatemala. 
486 a. Corvus corax principalis Ripcw. 
Northern Raven. 
Corvus corax principals RipGcw. Man. N. Am. B. 1887, 361. 
[B 423, part, C 226, part, R 280, part, C 338, part. | 
Geoc. Dist.— Northern North America, south to British Colum- 
bia, northern Michigan, New Brunswick, Maine, New Jersey, North 
Carolina, etc. 
487. Corvus cryptoleucus Coucu. 
White-necked Raven. 
Corvus cryptoleucus CoucH, Pr. Ac. Nat. Sci. Phila. April, 1854, 
66. 
(Bi42gC 297, Rozet.Ce20.1 
Groc. 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, Ri2d2,iCiaao.) 
Geoc. 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 floridanus Bairp. 
Florida Crow. 
Corvus americanus var. floridanus BairD, B. N. Am. 1858, 568. 
[B 427, C 228a, R 282a, C 341.] 
Geroc. Dist.— Florida. 
