158 CHECK-LIST OF NORTH AMERICAN BIRDS. 
392. Campephilus principalis (Linn.). 
Ivory-billed Woodpecker. 
Picus principalis Linn. S. N. ed. 10, I. 1758, 113. 
Campephilus principalis GRAY, List Gen. B. 1840, 54. 
[B 72, C 293, R 359, C 431. ] 
Geroc. Dist.— Formerly South Atlantic and Gulf States, from 
North Carolina to Texas, north in the Mississippi Valley to Missouri, 
southern Illinois, and southern Indiana. Now restricted to the Gulf 
States and the Lower Mississippi Valley, where only locally distri- 
buted. 
Genus DRYOBATES Bor. 
Dryobates Bote, Isis, 1826, 977. Type, Picius pubescens LINN. 
393. Dryobates villosus (Linv.). 
Hairy Woodpecker. 
Picus villosus LINN. 5. N. ed. 12, I. 1766, 175. 
Dryobates villosus CABANIS, Mus. Hein. IV. ii. June 15, 1863, 66. 
[B 74, part, C 298, part, R 360, C 438, part.] 
Geroc. Dist.— Northern and middle portions of the eastern United 
States, from the Atlantic coast to the Great Plains. 
393 a. Dryobates villosus leucomelas (Bopp.). 
Northern Hairy Woodpecker. 
Picus leucomelas BODDAERT, Tabl. Pl. Enl. 1783, 21. 
Dryobates villosus leucomelas Ripcw. Pr. U.S. Nat. Mus. VIII. 
1885, 355. 
[B 74, part, C 298, part, R 360a, C 438, part.| 
Geroc. Dist.— Northern North America, south to about the 
northern border of the United States. 
393 4. Dryobates villosus audubonii (Swarns.). 
Southern Hairy Woodpecker. 
Picus audubonit Swans. in Sw. & Ricu. Fauna Bor. Am. II. 
1831, 306. 
Dryobates villosus audubonit Ripcw. Pr. U.S. Nat. Mus. VIII. 
1885, 355. 
