416 
INDEX 
PAGE 
Blackbird, Red-winged 372 
Rusty 374 
Skunk. See Bobolink 368 
Soldier. See Blackbird, 
Red-winged 372 
Yellow-headed 370 
Bluebill. See Duck, Greater and Lesser 
Scaups 97 
Bluebird, Arctic 331 
Chestnut-backed 331 
Western 331 
Mountain 331 
Red-breasted 330 
Eastern 330 
Bluebirds, gen. description 326 
Bobolink 368 
Bob-white 164 
Bomby cilia cedrorum 338 
garrula 337 
Bombycillidae 337 
Boreal region, boundaries and defin- 
ition 8 
Bos’n Bird. See Jaegar, Pomarine... 216 
Botaurinae 65 
Botawrus lentiginosus 65 
Brachyramphus marmoratus 245 
Brant, Black 82 
Common 82 
White-bellied 82 
Branta bernicla 82 
b. hroia 82 
b. nigricans 82 
Branta canadensis 78 
c. canadensis 79 
c. hutchinsi 80 
c. leucopareia 80 
c. minima 81 
c. ocddenlalis 80 
leucopsis 83 
Broad-bill. See Duck, Greater and 
Lesser Scaups 97 
Bubo virginianus 258 
v. helerocnemis 258 
v. lagophonus 258 
v. saturatus 258 
v. subardicus 258 
v. virginianus 258 
Buffalo-bird. See Cowbird ,. 376 
Buffle-head 100 
Bull-bat. See Nighthawk 268 
Bull-head. See Plover, Black-bellied . . 184 
Bunting, Common Snow. 410 
Indigo 382 
Lark 392 
Lazuli 383 
Snow 410 
Buntings, gen. description 379 
Burgomaster. See Gull, Glaucous. . . . 219 
Butcher-bird. See Shrike, Common .. . 340 
Shrike, Northern. . . 339 
Buteo borealis 124 
b. borealis 126 
b. calurus 126 
PAGE 
Buteo b. harlani 126 
b, krideri 126 
lagopus 131 
lineatus 127 
l. elegans 127 
l. lineatus 127 
platypterus. 128 
regalis 132 
swainsoni 128 
Buteoninae 123 
Butorides virescens 64 
Butterball. See Buffle-head 100 
Buzzards, True 
Gen. description 123 
Varieties 123-134 
Calamospiza melanocorys 392 
Calcarius lapponicus 408 
1. alascensis 409 
l. lapponicus 409 
ornatus 409 
Indus 409 
Calidris canutus 197 
Camp-robber. See Jay, Canada 303 
Camplorhyncus labradorius 103 
Canada Bird. See Sparrow, White- 
throated 403 
Canada White-throat. See Sparrow, 
White-throated 403 
Canadian zone, birds of 10 
Extent, etc 8 
Canary, Wild. (See Goldfinch, American 389 
Capella delicata 188 
gallinago 188 
Caprimulgidae 266 
Caprimulgiformes 266 
Caracara, Audubon's. 142 
Common 142 
Cardinal 380 
Carpodacus cassini . . 385 
purpureus 384 
p. calif ornicus 385 
p. purpureus 385 
Casmerodius albus 62 
a. egretla 62 
Catbird 324 
Calharacla chilensis 217 
skua 217 
Catharlae 1 12, 1 14 
Catharles aura. 115 
a. seplerdrionalis 116 
Catharlidae 114 
Cathedral-bird. See Thrush, Wilson’s 330 
Catherpes mexicanus 322 
m. conspersus 322 
Catoptrophorus semipalmatus 195 
s. inomalus 196 
s. semipalmatus 196 
Cats, destructive to robins. 327 
Cedar-bird. See Waxwing, Cedar 338 
Centrocerus urophasianus 162 
Centurus carolinus 280 
