INDEX 



Old-squaw 81 



Olor buccinator 84 



columbianus 84 



cygnus 263 



Oreortyx pictus 116 



confinis 116 



" plumiferus 116 



Oreospiza chlorura 206 



Oriole, Arizona Hooded 186 



Audubon 186 



Baltimore 35, 186 



Bullock 186 



Hooded 186 



Orchard 206 



Scott 186 



Sennett 279 



Ornithion imberbe 211 



" ridgwayi 211 



Oroscoptes montanus 233 



Ortalis vetula maccalli 122 



Osprey, American 129 



Ossifraga gigantea 259 



Otocoris alpestris 200 



actia 201 



adusta 201 



" arcticola 200 



giraudi 200 



hoyti 200 



insularis 202 



leucolaema 201 



merrilli 201 



occidentalis 202 



pallida 202 



praticola 200 



rubea 201 



" strigata 201 



Otus asio gilmani 297 



Ouzel, Water 247 



Oven-bird 232 



Owl, Acadian 140 



Aiken Screech 142 



American Hawk 143 



American Long-eared 138 



Arctic Horned 143 



Barn 29, 138 



Barred 139 



Burrowing 138 



California Pygmy 140 



California Screech 141 



Dusky Horned 143 



Dwarf Screech 142 



Elf 140 



Ferruginous Pygmy 140 



Flammulated Screech . ..142 



Owl, Florida Barred 139' 



" Burrowing 138 



Screech 141 



Great Gray 139 



Great Horned 14$ 



Hoskin 140 



Kennicott Screech 141 



Labrador Horned 297 



Long-eared 138 



MacFarlane Screech 142" 



Mexican Screech 142 



Monkey-faced 138 



Northern Saw-whet 140 



Northern Spotted 139 



Pacific Horned 143 



Pygmy 140 



Richardson 139 



Rocky Mountain Screech 141 



Sahauro Screech 297 



Saint Michael Horned . .V 297 



Saw- whet 140 



Screech 30, 141 



Short-eared 138 



Snowy 143 



Spotted 139 



" Screech 142 



Texas Barred 139 



Texas Screech 141 



Western Horned 143" 



Xantus Screech 142 



Oxyechus vociferus 112" 



Oyster-catcher, American 25, 104 



Black 104 



European 267 



Frazar 104 



Pagophila alba 52" 



Paludicolae 19, 95 



Pandion haliaetus carolinensis ^29 



Pandionidae 294 



Parabuteo unicintus harrisi 132r 



Parauque, Merrill 157 



Paridae 39, 169 



Paroquet, Carolina 30, 145- 



Parrot, Thick-billed 145 



Partridge 11* 



Alaska Spruce , - . . 295 



California , llfr 



Canada Spruce 295 



Chestnut-bellied Scaled llfr 



Gambel lltf 



Hudsonian Spruce 295 



Mearns 115 



Mountain 115 



346 



