chistus, 237
" pacificus, 235
" pallescens, 235
" saturatus, 235
" subarticus, 235

Budytes flavus alascensis, 418

Buffle-head, 100

Bullfinch, Cassin's, 325

Bulweria bulweri, 67

Bunting, Beautiful, 367
Indigo, 366
Lark, 369
Lazuli, 366
McKay's Snow, 333
Painted, 367
Pribilof Snow, 332

Page 453

Snow, 332
Varied, 367

Bush-Tit, 437
California, 438
Grinda's, 438
Lead-colored, 438
Lloyd's, 438

Buteo abbreviatus, 211
albicaudatus sennetti, 212
borealis borealis, 208
" calurus, 208
" harlani, 209
" krideri, 208
brachyurus, 213
lineatus lineatus, 209
" alleni, 209
" elegans, 211
platypterus, 213
swainsoni, 212

Buteonidae, 201

Butorides virescens virescens, 124
" anthonyi, 125
" frazari, 125

Buzzard, Turkey, 199

Calamospiza melanocorys, 369

Calcarius lapponicus lapponicus, 333
" alascensis, 333
ornatus, 334
pictus, 334

Calidris leucophaea, 151

Callichelidon cyaneoviridis, 374

Callothrus robustus.

Callipepla squamata squamata, 176
" castanogastris, 177

Calothorax lucifer, 278

Calypte anna, 275
costae, 275

Campephilus principalis, 249
labradorius, 101

Camptostoma imberbe, 296

Canachites canadensis canadensis, 179
" canace, 179
" osgoodi, 179
franklini, 180

Canvas-back, 97

Caprimulgidae, 263

Caracara, Audubon, 224
Guadalupe, 224

Cardellina rubrifrons, 417

Cardinal, 363
Arizona, 363
Florida, 364
Gray-tailed, 364
San Lucas, 363

Cardinalis cardinalis cardinalis, 363
" canicaudus, 364
" floridanus, 364

Cardinalis igneus, 363
" superbus, 363

Carpodacus amplus, 326
cassini, 326
mcgregori, 326
mexicanus clementis, 326
" frontalis, 326
" ruberrimus, 326
purpureus purpureus, 325
" californicus, 325

Casarca ferruginea, 93

Catbird, 420

Catharista urubu, 199

Cathartes aura septentrionalis, 199

Cathartidae, 198

Catherpes mexicanus albifrons, 424
" conspersus, 425
" punctulatus, 425

Catoptrophorus semipalmatus semipalmatus, 155
semipalmatus inornatus, 156

Centrocercus urophasianus, 188

Centurus aurifrons, 258
carolinus, 257
uropygialis, 258

Cepphus columba, 29
grylle, 28
mandti, 2