574 
Meadowlark, Western, 511 
Megascops asio bendirei, 171 
Melanerpes formicivorus bairdi, 376 
torquatus, 465 
uropygialis, 378 
Melospiza lincolnii, 244 
melodia fallax, 240 
heermanni, 243 
montana, 242 
morphna, 244 
samuelis, 243 
Merula migratoria propinqua, 309 
Mexican Crossbill, 483 
Horned Lark, 208 
Mimus polyglottos leucopterus, 340 
Mockingbird, Western, 340 
Molothrus ater, 411 
Mountain Bluebird, 506 
Chickadee, 350 
Partridge, 114 
Plover, 113 
Song Sparrow, 242 
Mourning Dove, 152 
Mud-hen, Red-billed, 105 
Murre, California, 13 
Murrelet, Ancient, 7 
Marbled, 10 
Xantus, 11 
Myadestes, townsendii, 303 
Myiarchus cinerascens, 324 
Myrtle Warbler, 537 
NIGHTHAWKE, 194 
Texan, 197 
Northern Pileated Woodpecker, 372 
Violet-green Swallow, 445 
Nucifraga columbiana, 329 
Numenius hudsonicus, 75 
longirostris, 73 
Nutcracker, Clarke, 329 
Nuthatch, Pygmy, 345 
Red-breasted, 344 
Slender-billed, 342 
Nuttall Sparrow, 225 
Woodpecker, 364 
Nycticorax nycticorax nevius, 97 
OCEANODROMA homochroa, 24 
Kaedingi, 22 
melania, 23 
| Olbiorchilus hiemalis pacificus, 287 
INDEX : 
| ; 
Olive-sided Flycatcher, 433 3 
Olor buccinator, 57 ’ 
columbianus, 56 
Oregon Jay, 327 i 
Junco, 333 
Ruffed Grouse, 126 
Towhee, 394 
Oreortyx pictus, 114 
plumiferus, 115 
Oreospiza chlorura, 251 
Oriole, Arizona Hooded, 517 
Bullock, 519 
Scott, 514 
Oroscoptes montanus, 268 
Osprey, American, 163 
Otocoris alpestris chrysoleema, 208 
leucolema, 204 
rubea, 208 
strigata, 209 
Ouzel, Water, 264 
Owl, American Barn, 166 
Long-eared, 168 
Burrowing, 175 
California Screech, 171 
Pacific Horned, 173 
Pygmy, 178 
Short-eared, 169 
Ox Bird, 66 
Oxeye, Meadow, 65 
Ovyster-catcher, Black, 81 
Paciric Fulmar, 19 
Horned Owl, 173 
House Wren, 285 
Loon, 30 
Yellow-throat, 546 
Pallid Horned Lark, 204 
Wren-tit, 296 
Pandion haliaétus carolinensis, 163 
Parasitic Jaeger, 16 
Parkman Wren, 285 
Partridge, California, 118 
Gambel, 122 
Mountain, 114 
Plumed, 115 
Valley, 120 
Parus gambeli, 350 
inornatus, 348 
