324 BULLETIN 174, UNITED STATES NATIONAL MUSEUM 



Bailey, Mrs. Florence M., on southern 

 red-breasted sapsucker, 147; 

 on white-breasted woodpecker, 45. 

 on Williamson's sapsucker, 159. 

 Bailey, H. B., 200. 



Bailey, H. H., on northern flicker, 278. 

 on southern downy woodpecker, 46. 

 on southern hairy woodpecker, 27. 

 Bailey, Vernon, 9. 



Baird, S. F., on hybrid flickers, 291. 

 Baird, S. F. ; Brewer, T. M. ; and Ridg- 

 way, Robert, on Williamson's sap- 

 sucker, 155. 

 Baird, S. F. ; Cassin, John ; and Law- 

 rence, G. N., on Williamson's sap- 

 sucker, 155. 

 bairdi, Balanosphyra foi-micivora, 211, 

 212, 223, 226. 



Dryobates scalaris, 79, 80, 82, 83. 

 Balanosphyra formicivora aculeata, 211, 

 212, 223, 226. 

 formicivora angustifrons, 211, 212, 



222. 

 formicivora bairdi, 211, 212, 223, 



226. 

 formicivora formicivora, 211, 222. 

 formicivora martirensis, 212, 226. 

 Bancroft, Grifiing, on Brewster's wood- 

 pecker, 2r)S. 

 on capa gilded flicker, 299, 300. 

 on San Fernando flicker, 306. 

 on San Fernando woodpecker, 87. 

 on San Lucas woodpecker. 82, 83. 

 Bangs, On I ram, on American three-toed 

 woodpecker, 116. 

 on Florida pileated woodpecker, 190. 

 on northern pileated woodpecker, 



171. 

 on pileated woodpecker, 164. 

 on western pileated woodpecker, 

 191. 

 Bangs, Outram, and Thayer, J. E., on 



Guadalupe flicker, 307. 

 Batchelder, C. F., on Newfoundland 

 woodpecker, 38. 



on Batchelder's woodpecker, 51. 

 Batchelder's woodpecker, 51. 

 Bates, F. A., 276. 



Beal, F. E. L., on alpine three-toed wood- 

 pecker, 126. 

 on American three-toed woodpecker, 



118. 

 on Arctic three-toed woodpecker, 



111. 

 on California woodpecker, 218. 

 on eastern hairy woodpecker, 17, 18. 

 on ivory-billed woodpecker, 9. 

 on Lewis's woodpecker, 232. 

 on northern downy woodpecker, 58, 



59. 

 on northern flicker, 277-279. 

 on northern pileated woodpecker, 



183, 184. 

 on northern white-headed wood- 

 pecker, 101. 

 on Nuttall's woodpecker, 89, 90. 

 on red-bellied woodpecker, 240. 



Beal, F. E. L., on red-headed wood- 

 pecker, 198, 199. 



on red-shafted flicker, 291, 292. 



on southern pileated woodpecker, 



168. 

 on yellow-bellied sapsucker, 133. 

 Belding, Lyman, 222, 258, 299. 



on Cabanis's woodpecker, 34. 

 Bondire, C. E., on Alaska three-toed 

 woodpecker, 123. 



on Arctic three-toed woodpecker, 



109, 112. 

 on Arizona woodpecker, 93. 

 on Batchelder's woodpecker, 51. 

 on Cabanis's woodpecker, 34. 

 on cactus woodpecker, 84, 86. 

 on California woodpecker, 213, 218, 



220, 221. 

 on Chihuahua woodpecker, 40. 

 on eastern hairy woodpecker, 16, 



20. 

 on Florida pileated woodpecker, 



191. 

 on Gila woodpecker, 252, 253, 255. 

 on golden-fronted woodpecker, 246, 



247. 

 on Harris's woodpecker, 29, 32. 

 on ivory-billed woodpecker, 5. 6. 

 on Lewis's woodpecker, 227-230, 



233. 

 on IMearns's gilded flicker, 302. 

 on Mearns's woodpecker, 224. 

 on Modoc woodpecker, 42, 43. 

 on northern flicker, 272. 

 on northern pileated woodpecker, 



171, 188. 

 ou northern red-breasted sapsucker, 



151-154. 

 on northern white-headed wood- 

 pecker, 98, 99, 103. 

 ou northwestern flicker, 296. 

 ou Nuttall's woodpecker, 87. 

 on red-bellied woodpecker, 237-240, 



243. 

 on red-headed woodpecker, 196- 



200, 205. 

 on red-naped sapsucker, 143-145. 

 on red-shafted flicker, 288, 293. 

 on Rocky Mountain hairy wood- 

 pecker, 36. 

 on southern hairy woodpecker, 28. 

 on southern pileated woodpecker, 



167. 

 on western pileated woodpecker, 



192. 

 on Williamson's sapsucker, 157. 

 on willow woodpecker, 70. 

 on yellow-bellied sapsucker, 129, 136, 



137. 

 Beyer, G. E., on ivory-billed woodpecker, 



2, 4, 6. 

 Bicknell, B. P., on northern flicker, 281, 



282. 

 Biolosical Survey, U. S. Bureau of, viii, 



9, 48, 183, 210, 263. 

 Blackwelder, Eliot, on northern pileated 

 woodpecker, 173. 



