Index. 



347 



Ull)i(ircliilus uhiscensis 817 



hiemalis 816 



helleri 817 



" pacific'us 817 



Old-squaw 77 



Olor buccinator 88 



columbianus 88 



cygnus. . . 88 



Oreortyx pictus 1J36 



" confinis 18B 



" pluniiferus 18(5 



Oriole, Arizona Hooded 242 



Audubon. .... 241 



Baltimore 242 



Bullock 243 



Hooded 242 



Orchard 242 



Scott 241 



Ornithion imberbe . 225 



" ridgwayi 225 



Oroscoptes montanus 310 



Ortalis vetula maccalli 147 



Osprey, American 172 



Ossifraga gigantea 48 



Otocoris alpestris 226 



" actia ... 227 



" adusta 227 



" arcticola 226 



" giraudi 227 



•' hoyti 228 



" in^ularis 228 



" leucolsema .227 



" nierrilli . . ... 227 

 " occidentalis ..228 



" pallida . 228 



" praticola 226 



" rubea .... 227 



" strigata ... . 227 



Ouzel, Water . ... ^ . 310 



Oven-bird 301 



Owl, Acadian 176 



Aiken Screech 177 



American Hawk .180 



American Long-eared 174 



Arctic Horned 178 



Barn. 172 



Barred 174 



Burrowing . . . .180 



California Pygmy. . . . . 182 



California Screech 177 



Dusky Horned 179 



Dwarf Horned ... 179 



Dwarf Screech ... 178 



Elf 182 



Ferruginous Pygmy 182 



Flanimulated Screech 178 



Florida Barred 175 



Florida Burrowing ISO 



" Screech. 177 



Great Gray 175 



Great Horned 178 



Hawk 179 



Hoskin Pygmy 182 



Kennicott Screech 177 



Lapp ... . 176 



MacFarlane Screech ... 177 



Mexican Screech 177 



Northern Spotted 175 



Northwest Saw-whet 176 



Pacific Horned 179 



I'ygmy 1H2 



Richardson 176 



Rocky Mountain Screech 177 



Saw-whet . . . . 176 



Screech 176 



Short-eared 174 



Snowy 179 



Spotted 175 



" Screech 177 



Texas Barred 175 



Texas Screech 177 



Western Horned ... 178 



Xantus Screech 178 



Oxyechus vociferus 128 



Oyster-catcher 132 



American 182 



Black 183 



Frazar 133 



Pagophila alba. 25 



Paludicola? 99 



Pandion halia?tus carolinensis. . . . 172 



Parabuteo unicinctus harrisi 158 



Parauque, Merrill ... ..201 



Parida; 318 



Paroquet, Carolina ... 183 



Parrot, Thick-billed 18.3 



Partridge, California 137 



Chestnut-bellied Scaled. .... .137 



Gambel ... 137 



Massena . . 137 



Mearns 137 



Mountain 136 



Plumed 136 



San Pedro 136 



Scaled 136 



Valley 137 



Parus atricapillus. 322 



" occidentalis . . 322 



" septentrionalis 322 



carolinensis. 322 



agilis 322 



cinctus alascensis. 823 



gambeli 822 



hudsonicus 323 



