478 



BULLETIN 17 0, UNITED STATES NATIONAL MUSEUM 



Pigeon hawk, black, 83. 

 eastern, 70. 

 Richardson's, 86. 

 western, 89. 

 pinicola, Glaucidium gnoma, 401. 

 Pleske, Theodore, on snowy owl, 358, 



362. 

 Poling, O. C, on Mexican spotted owl, 



211. 

 Polyborus cheriway auduboni, 127, 137. 

 cheriway cheriway, 135. 

 lutosus, 136. 

 Potter, J. K., and Gillespie, J. A., on 

 American barn owl, 141, 143-145, 

 149. 

 Prairie falcon, 18. 

 pratincola, Tyto alba, 140. 

 Preble, E. A., on Arctic horned owl, 

 329, 330. 

 on great gray owl, 214. 

 on Ions-eared owl, 168. 

 on Richardson's owl, 221, 223. 

 on Rocky Mountain pvgmy owl, 



402, 403. 

 on short-eared owl, 170. 

 Preston, J. W., 157. 



on great horned owl, 302. 

 Price, J. H., 31. 



Purdie, H. A., on black gyrfalcon, 14. 

 Pygmy owl, California, 410. 

 coast, 430. 

 ferruginous, 435. 

 Hoskins's, 434. 

 Rocky Mountain, 401. 

 Vancouver, 428. 

 Queen Charlotte owl, 242. 

 quercinus, Otus asio, 262, 281. 

 Quillin, R. W., viii. 

 Racev, Kenneth, on dusky horned owl, 



33i. 

 Raine, Walter, on Labrador horned 



owl, 343. 

 Ralph, W. L., 198, 199, 200. 



on Florida screech owl, 264. 

 on great horned owl, 300, 302. 

 on saw-whet owl, 229, 230. 

 Randall, T. E., on Richardson's pigeon 



hawk, 86-89. 

 Rathbun, S. F., on black pigeon hawk, 

 84, 85. 

 on Kennicott's screech owl, 269. 

 on long-eared owl, 153, 157. 

 on prairie falcon, 35, 37. 

 on sparrow hawk, 109. 

 Ravens, association with prairie falcons, 



21. 

 Rawson, C. L., on northern barred owl, 



191. 

 Readv, G. H., on California pygmy owl, 



413. 

 Red Eagle, Chief, on western horned 



owl, 322. 

 Reed, Mrs. Bessie P., on great horned 



owl, 310, 315. 

 Reed, J. H., on American barn owl, 148. 

 Reeks, Henry, on Labrador horned owl, 

 343. 



Reid, S. G., on American hawk owl, 384. 



on short-eared owl, 181. 

 Rhoads, S. N., on Florida burrowing 



owl, 398, 399, 400. 

 Rice, L. D., 85. 

 Richardson, C. H., Jr., on spotted ow 



427. 

 Richardson, John, 86, 214, 215. 



on black gyrfalcon, 14. 



on Richardson's owl, 225. 



on snowy owl, 365. 

 Richardson, John, vm 1 , Swainson, Wil- 

 liam, on American hawk owl, 376. 

 richardsoni, Crvptoglaux funerea, 220. 



Falco coluinbarius, 82, 83, 86, 89. 

 Richardson's owl, 220. 

 Richardson's pigeon hawk, 86. 

 Ridgwav, Robert, on Aiken's screech 

 owl, 276. 



on American hawk owl, 376. 



on barred owls, 197. 



on black gyrfalcon, 13. 



on Brewster's screech owl, 280. 



on duck hawk, 49. 



on ferruginous pygmy owl, 435. 



on flammulated screech owl, 293. 



on Florida burrowing owl, 396. 



on Florida screech owl, 263. 



on gray owls, 220. 



on Guadalupe caracara, 137, 138. 



on Hasbrouck's screech owl, 278. 



on Hoskins's pygmy owl, 434. 



on Kennicott's screech owl, 267. 



on Mexican screech owl, 274. 



on prairie falcon, 29, 31, 33. 



on Queen Charlotte owl, 242. 



on Rocky Mountain screech owl, 

 270. 



on saguaro screech owl, 282. 



on Sanford's elf owl, 444. 



on screech owls, 259. 



on Siberian hawk owl, 375. 



on spotted screech owl, 286, 288, 

 289. 



on Texas elf owl, 444. 



on Texas screech owl, 265. 



on Whitney's elf owl, 442. 



on Xantus's screech owl, 285. 



(See also under Baird, S. F.) 

 ridgwayi, Glaucidium brasilianum, 435. 

 Riley, J. H., viii. 

 Roberts, T. S., on coast pygmy owl, 434. 



on great gray owl, 215, 219. 



on prairie falcon, 19. 

 Robertson, J. McB., on Pasadena 

 screech owl, 281. 



on western burrowing owl, 388. 

 Rockwell, R. B., on eastern sparrow 

 hawk, 108. 



on Montana horned owl, 349, 351, 

 354. 



on Rocky Mountain screech owl, 

 270-272. 

 Rockwell, R. B., and Blickensderfer, 



Clark, on saw-whet owl, 232, 234. 

 Rocky Mountain pygmy owl, 401. 

 Rocky Mountain screech owl, 270. 



