470 



BULLETIN 17 0, UNITED STATES NATIONAL MUSEUM 



Bubo virginianus saturatus, 321, 330, 

 341-343, 346, 347. 

 virginianus subarcticus, 320, 321, 



328, 348. 

 virginianus virginianus, 295. 

 virginianus wapacuthu, 320, 321. 

 Bull, D. B., viii. 



on Asiatic gyrfalcon, 15-17. 

 Burleigh, T. D., on coast pygmy owl, 



431. 

 Burnell, E. F., and Wyman, L. E., on 



California pygmy owl, 425. 

 Burns, F. L., on short-eared owl, 172. 

 Burroughs, John, on Rocky Mountain 



pygmy owl, 406. 

 Burrowing owl, Florida, 396. 



western, 384. 

 Burton, W. F., on dusky horned owl, 



333. 

 Buteo borealis calurus, 89. 

 Butler, A. W., viii. 



Calm, A. R., and Kemp, J. T., on long- 

 eared owl, 166. 

 on short-eared owl, 175. 

 Calderwood, A., Jr., on coast pygmy 



owl, 431. 

 California pygmy owl, 410. 

 California screech owl, 266. 

 California spotted owl, 202. 

 californicum. Glaudicium gnoma, 402, 



409, 410, 434, 436. 

 calurus, Buteo borealis, 89. 

 Cameron, E. S., on long-eared owl, 165, 

 166. 

 on Montana horned owl, 351, 352, 



353 

 on prairie falcon, 27, 29-31, 39. 

 on snowy owl, 370. 

 on western burrowing owl, 392. 

 Camn, R. D., on Audubon's caracara, 



129. 

 Camobell, Berry, on swotted screech 

 owl, 289. 

 on Whitney's elf owl, 439, 442. 

 candicans, Falco rusticolus, 1,17. 

 Canfield, C. S., 386. 

 Cantwell, G. G., on saw-whet owl, 235. 

 caparoch, Surnia ulula, 375. 

 Caracara, Audubon's, 127. 



Guadalupe, 136. 

 Caracaras, 1. 

 Carbonneau, Esdras, 359. 

 cardonensis, Otus asio, 285. 

 Carleton, G., and Jackson, Mrs. P. N., 



on eastern screech owl, 252. 

 Carpenter, F. H., on eastern screech 



owl, 243, 254. 

 Carriger, H. W., on coast pvgmy owl, 



430, 431, 434. 

 Carriger, H. W., and Pemberton, J. R., 



on prairie falcon, 30. 

 Carroll, J. J., on western horned owl, 



323. 

 Carter, J. D., on northern barred owl, 



195. 

 Cassells, Elsie, on white gvrfalcon, 6. 

 Catesby, Mark, 243. 



caurina, Strix occidentalis, 208, 210, 



434. 

 caurinum, Syrnium occidentale, 209. 

 Cerchneis sparverius isabellinus, 125. 

 Chapman, F. M., on gyrfalcons, 3. 

 cheriway, Polyborus cheriway, 135. 

 cheriway auduboni, Polyborus, 127, 137. 

 cheriway cheriway, Polyborus, 135. 

 cineraceus, Otus asio, 262, 274, 276, 282, 



283, 285, 287. 

 Clabaugh, E. D., on California pvgmy 

 owl, 419. 

 on California screech owl, 267. 

 Clark, J. N., on great horned owl, 300. 

 on nest of hawks and owls, 298. 

 on northern barred owl, 186. 

 Clarke, C. H. D., viii. 

 Clarke, Eagle, 105. 

 Clav, C. I., on northern spotted owl, 



209. 

 Cleaves, H. H., 359. 



on American barn owl, 144. 

 Coast pygmy owl, 430. 

 cobanense, Glaucidium gnoma, 409. 

 Coffin, R. L., 47. 



Cohen, D. A., on prairie falcon, 31, 39. 

 Collett, Robert, on snowy owl, 362. 

 columbarius, Falco, 89, 90. 



Falco columbarius, 70, 85, 86, 88, 

 89. 

 columbarius bendirei, Falco, 70, 82, 88, 



89. 

 columbarius columbarius, Falco, 70, 85, 



86, 88, 89. 

 columbarius richardsoni, Falco, 82, S3, 



86, 89. 

 columbarius suckleyi, Falco, 70, 82, 83, 



89. 

 Comeau, N. A., 225, 233. 



on snowy owl, 369. 

 Cook, G. L., on Montana horned owl, 



351. 

 Cooke, W. W., 270. 

 Coolidge, P. T., on eastern screech owl, 



944 



Cooper, J. G., 37, 439. 



on coast pygmy owl, 434. 

 on prairie falcon, 33. 

 Cooper, W. A., on California pygmy 



owl, 413. 

 Cory, C. B., on kestrel, 99. 

 Coues, Elliott, on American hawk owl, 

 379. 

 on coast pygmy owl, 434. 

 on eastern pigeon hawk, 75. 

 on eastern sparrow hawk, 107. 

 on great horned owl, 315. 

 on prairie falcon, 24, 32. 

 on Rockv Mountain pygmy owl, 



404. 

 on short- eared owl, 170. 

 on western burrowing owl, 384, 

 386, 391, 393. 

 Cram, W. E., on eastern sparrow hawk, 



115. 

 Crook, Crompton, viii. 

 Cross, William, 217. 



