INDEX 



481 



Swarth, H. S., on flammulated screech 

 owl, 291. 



on great gray owl, 216. 



on Guadalupe caracara, 137. 



on Peale's falcon, 70. 



on prairie falcon, 19, 32. 



on saguaro screech owl, 282, 283. 



on spotted owls, 209, 210. 



on Vancouver pygmy owl, 429, 430. 



on western pigeon hawk, 89. 

 swarthi, Glaucidium gnoma, 409, 428. 

 Syrnium nebulosum, 201. 



nebulosum alleni, 201. 



occidentale, 208, 209. 



occidentale caurinum, 209. 



occidentale lucidum, 209. 

 Taning, A. V., 90. 



Taverner, P. A., on California pygmy 

 owl, 421, 427. 



on prairie falcon, 25, 33, 37, 38. 



on Richardson's owl, 223. 



on Rocky Mountain pygmy owl, 

 405. 

 Taverner, P. A., and Swales, B. EL, on 

 eastern pigeon hawk, 77. 



on saw-whet owl, 238. 

 Taylor, H. R., on Pacific horned owl, 

 335. 



on western pigeon hawk, 89. 

 Taylor, W. P., and Shaw, W. T., on 

 California pygmy owl, 426, 427. 



on saw-whet owl, 235. 

 Tengmalm's owl, 228. 

 Terrill, L. M., on long-eared owl, 157, 

 166. 



on saw-whet owl, 231, 232, 237, 

 239. 

 Texas barred owl, 201. 

 Texas elk owl, 444. 

 Texas screech owl, 265. 

 Thaxter, Mrs. Celia, on snowy owl, 368. 

 Thayer, J. E., viii. 

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



Guadalupe caracara, 137. 

 Thompson, Paul, on burrowing owl, 390. 

 Thompson, Walcott, 155. 

 Thoreau, H. D., on eastern screech owl, 



256. 

 Ticehurst, C. B., on kestrel, 105. 

 tinnunculus, Falco tinnunculus, 99. 

 Tomkins, I. R., on American barn owl, 

 142, 151. 



on eastern pigeon hawk, 80. 



on great horned owl, 301. 



on short-eared owl, 176. 

 Townsend, C. H., on California pygmy 



owl, 431. 

 Townsend, C. W., viii, 71. 



on American barn owl, 146. 



on duck hawk, 55. 



on eastern pigeon hawk, 76, 79. 



on long-eared owl, 160, 165. 



on Richardson's owl, 220. 



on short-eared owl, 169. 

 Townsend, J. K., on burrowing owl, 393. 

 Treganza, Antwonet, on Montana 

 horned owl, 351. 



trichopsis, Otus, 286. 



troglodytes, Speotvto cunicularia, 394. 



Truesdale, Fred, 203. 



on prairie falcon, 24, 31. 

 Tufts, R. W., 224. 



on Richardson's owl, 221. 

 Turner, L. M., 220, 344. 



on American hawk owl, 380. 



on black gyrfalcon, 10-14. 



on duck hawk, 50. 



on eastern pigeon hawk, 80. 



on Peale's falcon, 69, 70. 



on Labrador horned owl, 343. 



on Siberian hawk owl, 374. 



on white gyrfalcon, 4, 6, 8. 

 Tuttle, H. E., on eastern screech owl, 



252. 

 TwitcheU, A. H., 375. 

 Twomey, A. C, 214. 

 Tyler, J. G., on Pacific horned owl, 334. 



on prairie falcon, 22, 24, 28, 32, 33, 

 36, 38. 



on short-eared owl, 178. 

 Tyler, W. M., viii. 



on duck hawk, 59. 



on eastern sparrow hawk, 106. 



on screech owl, 257. 

 Typical owls, 153. 

 Tyto alba pratincola, 140. 

 Tytonidae, 140. 

 ulula, Surnia ulula, 375. 

 ulula caparoch, Surnia, 375. 

 ulula pallasi, Surnia, 374, 384. 

 ulula ulula, Surnia, 375. 

 uralensis, Falco rusticolus, 2, 8, 10, 15. 

 Urner, C. A., on short-eared owl, 171, 



172, 173, 177, 178. 

 Ussher, R. J., on kestrel, 105. 

 Vaiden, M. G., viii. 

 Vancouver pygmy owl, 428. 

 Van Rossem, A. J., on flammulated 

 screech owl, 291-293. 



on spotted screech owl, 290. 



on Whitney's elf owl, 440. 

 varia, Strix varia, 182. 

 varia albescens, Strix, 201. 

 varia alleni, Strix, 197. 

 varia brunnescens, Strix, 201. 

 varia helveola, Strix, 197, 201. 

 varia varia, Strix, 182. 

 Verrill, A. H., on duck hawk, 65. 

 vespertinus, Falco, 100. 

 vinaceus, Megascops, 284. 

 virginianus, Bubo virginianus, 295. 

 virginianus algistus, Bubo, 321, 344, 346. 

 virginianus elachistus, Bubo, 321, 341. 

 virginianus heterocnemis, Bubo, 320, 



342. 

 virginianus icelus, Bubo, 320, 347. 

 virginianus lagophonus, Bubo, 321, 345. 

 virginianus leucomelas, Bubo, 347. 

 virginianus occidentalis, Bubo, 321, 328, 



348. 

 virginianus pacificus, Bubo, 321, 333, 



345, 347. 

 virginianus pallescens, Bubo, 321, 322, 

 357. 



