hoensis, 234
Trichopsis, 234
Xantusi, 234

Ouzel, Water, 419

Oven-bird, 407

Owl, Aiken's Screech, 234
Arctic Horned, 235
Barn, 227
Barred, 229
Burrowing, 238
California Pygmy, 239
California Screech, 233
Dusky Horned, 235
Dwarf Horned, 237
Dwarf Screech, 234
Elf, 240
European Hawk, 237
Ferruginous Pygmy, 240
Flammulated Screech, 234
Florida Barred, 229
Florida Burrowing, 239
" Screech, 233
Great Gray, 231
Great Horned, 235
Hawk, 238
Hoskin's Pygmy, 239

Page 463

Kennicott's Screech, 233
Lapp, 232
Long-eared, 227
MacFarlane's Screech, 234
Mexican Screech, 234
Northern Spotted, 231
Northwestern Saw-whet, 232
Pacific Horned, 235
Pygmy, 239
Richardson's, 232
Rocky Mountain Screech, 233
Saw-whet, 232
Screech, 233
Short-eared, 229
Snowy, 237
Spotted, 237
" Screech, 234
Texas Barred, 231
Texas Screech, 233
Western Horned, 235
Xantus's Screech, 234

Oxyechus vociferus, 165
Oyster-catcher, 170
European, 170
Black, 171
Frazar's, 171
Pagophila alba, 39
Paludicolae, 127
Pandion haliaetus carolinensis, 225
Parabuteo unicinctus harrisi, 207
Parauque, Merrill's, 265
Paroquet, Carolina, 241
Parrot, Thick-billed, 141
Partridge, Alaska Spruce, 179
Canada Spruce, 179
Hudsonian Spruce, 179
Passer domesticus, 335
Passerculus beldingi, 337
princeps, 337
rostratus rostratus, 338
" guttatus, 337
" santorum, 338
sandwichensis sandwichensis, 337
" alaudinus, 337
" bryanti, 337
" savanna, 337
Passerella iliaca fuliginosa, 357
" iliaca, 357
" insularis, 357
" megarhyncha, 357
" schistacea, 357
" stephensi, 357
" townsendi, 357
" unalaschensis, 357

Passeres, 280

Passerherbulus henslowi henslowi, 340
" occidentalis, 340
caudacutus, 340
lecontei, 340
maritimus fisheri, 341
" macgillivrai, 342
" maritimus, 341
" peninsulae, 341
" sennetti, 341
nelsoni nelsoni, 341
" subvirgatus, 341
nigrescens, 342

Passerina amoena, 366
ciris, 367
cyanea, 366
versicolor versicolor, 367
" pulchra, 367

Pedioecetes phasianellus phasianellus, 187
phasianellus campestris, 187
" columbianus, 187

Pelagodroma marina, 71

Pelecanidae, 83

Pelecanus cali