bellii, pusillus Vireo, 478. 
Bell’s Sparrow, 426, 
Vireo, 476. 
Warbler, 532. 
Belted Kingfisher, 279. 
Piping Plover, 178. 
bendirei, Harporhynchus, 543, 545. 
Loxia curvirostra, 392. 
Megascops asio, 262. 
Bendire’s Thrasher, 545. 
bensoni, Callipepla elegans, 589. 
Benson’s Partridge, 589. 
Bering’s Raven, 362, 
berlandieri, Thryothorus, 550. 
ludovicianus, 609. 
bernicla, Branta, 118. 
berryllina, Amazilia, 317. 
Berylline Hummingbird, 317. 
beryllinus, Trochilus, 317. 
bewickii bairdi, Thryothorus, 551. 
Cygnus, 120. 
Olor, 120. 
spilurus, Thryothorus, 551. 
Thryothorus, 551, 
Bewick’s Swan, 120. 
Wren, 551. 
bicknelli, Turdus alicia, 575. 
Bicknell’s Thrush, 575, 
bicolor, Euetheia, 451. 
Hirundo, 461. 
Parus, 561. 
Tachycineta, 461, 462. 
texensis, Parus, 561. 
Bicolored Blackbird, 370. 
bidentata, Piranga, 456. 
Pyranga, 456. 
bilineata, Amphispiza, 425, 
Culicivora, 570. 
Polioptila, 570. 
Bittern, American, 126. 
Cory’s Least, 127. 
European Least, 127. 
Least, 127. 
South American, 127. 
Black Brant, 118. 
Cock, 589. 
Duck, 91. 
Guillemot, 16. 
Gyrfaleon, 246. 
Hawk, Little, 235. 
Mexican, 239. 
Leucosticte, 394. 
Merlin, 250. 
Oyster-catcher, 183. 
Chilian, 183. 
Petrel, 67, 70. 
Pheebe, 336, 
Rail, 140. 
Seedeater, 450. 
Skimmer, 49. 
Swift, 302. 
Tern, 46. 
American, 47. 
Tern, White-winged, 47. 
Turnstone, 181. 
Vulture, 222. 
Black and White Warbler, 484. 
Blackbird, Bicolored, 370. 
Brewer’s, 379. 
Red-winged, 369. 
Rusty, 379. 
Tricolored, 371. 
INDEX. 
Blackbird, Yellow-headed, 368, 
Black-backed Gull, Great, 28. 
Lesser, 28. 
-bellied Plover, 173. 
Storm-Petrel, 72. 
Tree-duck, 119. 
-billed Cuckoo, 274. 
-breasted Bob White, 189. 
-capped Petrel, 66. 
Vireo, 474. 
-cheeked Noddy, 48. 
-chinned Hummingbird, 312. 
Sparrow, 421. 
-crested Titmouse, 561. 
-crowned Night Heron, 133. 
-eared Bush-Tit, 565. 
-faced Partridge, 193. 
-footed Albatross, 51. 
-headed Goldfinch, 400. 
Grosbeak, 445. 
Jay, 354, 
Oriole, 374. 
Trogon, 277. 
-necked Stilt, 147. 
-poll Warbler, 503. 
-tailed Gnatcatcher, 570. 
Godwit, 164, 
Shearwater, 58. 
Skimmer, 49. 
-throated Blue Warbler, 496. 
Gray Warbler, 507. 
Green Warbler, 510. 
Loon, 7 
Sparrow, 425, 
-vented Shearwater, 60. 
-whiskered Vireo, 470. 
-winged Guillemot, 17. 
blackburniss, Dendroica, 505. 
Blackburnian Warbler, 505. 
blakei, Centurus, 292. 
Melanerpes, 292. 
Blake’s Woodpecker, 292, 
blakistoni, Alauda, 347. 
Bluebird, 581. 
Azure, 581. 
Baird’s, 612. 
Guatemala, 581. 
Mexican, 612. 
Mountain, 582. 
San Pedro, 613. 
Western, 581, 612. 
Blue Bunting, 446. 
Goose, 115. 
Grosbeak, 445, 
Western, 446. 
Heron, European, 129, 
Great, 129, 586. 
Little, 130. 
Jay, 353. 
Florida, 353. 
Warbler, Black-throated, 496. 
Blue-black Grosbeak, 446. 
-cheeked Brown Jay, 352. 
-crowned Motmot, 278. 
-crowned Parrot, 594. 
-eared Jay, 357. 
-faced Booby, 75. 
-footed Booby, 584. 
-fronted Jay, 354. 
-gray Gnatcatcher, 569. 
-headed Euphonia, 453. 
Quail-dove, 217. 
619 
Blue-headed Vireo, 473. 
-tailed Hummingbird, 318. 
-throated Hummingbird, 310. 
-winged Teal, 93. 
Warbler, 486. 
Bluethroat, 579. 
Red-spotted, 579. 
Boat-tailed Grackle, 381. 
Bobolink, 366. 
Western, 366. 
Bob White, 188. 
Black-breasted, 189. 
Coyoleos, 189. 
Cuban, 188. 
Florida, 188. 
Grayson’s, 189. 
Masked, 189. 
Texan, 188, 
Yucatan, 190. 
Bohemian Waxwing, 464. 
Bold Flycatcher, 332. 
Bombicyvora japonica, 465. 
Bonaparte’s Gull, 36. 
Sandpiper, 157, 
Bonasa, 186, 197. 
umbellus, 197. 
sabini, 198. 
togata, 198. 
umbelloides, 198. 
Bonin Petrel, 584. 
Booby, 75, 584. 
Blue-faced, 75. 
Blue-footed, 584, 
Brewster’s, 585. 
Peruvian, 75. 
Red-footed, 76. 
borealis, Buteo, 232, 233. 
calurus, Buteo, 233. 
Contopus, 327. 
Dryobates, 283. 
kriderii, Buteo, 232. 
Lanius, 466, 
lucasanus, Buteo, 233. 
Mniotilta, 484, 
varia, 484, 
Numenius, 171. 
Phyllopseustes, 567. 
Platypus, 109. 
Puffinus, 59. 
sibiricus, Lanius, 466. 
boschas, Anas, 91, 
Botauring, 126. 
Botaurus, 126, 
exilis, 127. 
involucris, 128. 
lentiginosus, 126. 
minutus, 127. 
neoxenus, 127. 
pinnatus, 127. 
botterii, Peucwa, 428. 
Zonotrichia, 428. 
Botteri’s Sparrow, 428. 
boucardi, Granatellus, 482. 
Peucea, 429. 
ruficeps, 429, 
Boucard’s Sparrow, 429, 
Brachyotus, 257. 
brachyptera, Leptotila fulviven- 
tris, 214. 
Brachyramphus, 9, 14. 
previrostris, 15. 
craveri, 15. 
