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214 .THE CONDOR VOL. XII Nuthatch, Pigmy, 182 Red-breasted, 136, 168 Rocky Mountain, 39, 200 Slender-billed, 182 Nuttallornis borealis, 19, 86, 98 Nyctala acadica, 80 Nyctidromus albicollis, 77 albicollis merrilli, 103 Nycticorax nycticorax naevius, 29, 76, 113 violaceus, 76 o Oceanodroma melania, 74, 174 Oidemia deglandi, 173, 204 perspicillata, 173 Ontostoma cinereigulare, 57 Oporornis philadelphia, 102 tolmiei, 38 Oreospiza ohiotufa, 37, 100, 131 Oriole, Arizona Hooded, 78, 138, 166 Audubon, 96 Baltimore, 97 Bullock, 22, 35, 88, 97 Orchard, 97 Scarlet-headed, 78 Scott, 46 Sennett Hooded, 96 Oroscoptes montanus, 38, 108 Ortalis vetula maccalli, 77, 93 Osburn, Pingtee I., the nesting of the l?razar oyster-catcher, 73; a booby (Sula sula) on the west coast of Mexico, 80; accidental trapping of raptores, 80 Osprey, 103 Otocoris alpestris actia, 107 alpestris gitaudi, 100 alpestris leucolaema, 34 alpestris insularis, 172 alpestris merrilli, 87 Otus asio cineraceus, 140 asio gilmani, 140 asio maccalli, 103 flammeola, 31 Ouzel, Water, 38 Owl, Arizona Spotted, 140 Attic Horned, 42 Barn, 12, 13 Burrowing, 13, 32, 172 l*errnginous Pigmy, 78, 79, 103 Flammulated Screech, 31 Great Horned, 13, 133 Hawk, 42 Long-cared, 13, 31, 44 Northwestern Saw-whet, 168 Northern Spotted, 110 Pigmy, 109 Ruddy Horned, 42 Sahuara Screech, 140 Saw-whet, 80, 110 Short-cared, 13, 31, 42 Spotted, 122 St. Michael Horned, 42 Texas Screech, 103 Western Horned, 31 Oxyechus vociferus, 30, 76, 86 Oyster-catcher, Black, 73, 74, 76, 171, 173 P Pachyrhamphus cinnamomeus, 59 Pandion carolinensis, 103 Parabuteo unicinctus harrisi, 77, 103 Parakeet, Red-and-blue-headed, 76, 77 Parauque, 77, 103 Parrot, l?insch, 76 Mexican Double-yellow-headed, 77 White-fronted, 76, 77 Passerculus rostratus, 175 sandwichcrisis alaudinus, 36, 100, 139 sandwichcrisis nevadensis, 139 sandwichcrisis savanna, 100 Passer domesticus, 36, 88 Passerella iliaca annectens, 140 iliaca insularis, 140 iliaca megarhyncha, 89, 131 iliaca meruloides, 140 iliaca schistacea, 88 iliaca sinuosa, 140 iliaca unalaschensis, 43, 140 Passerina amoena, 20 Pavo californicus, 13 Peacock, California, 13 Peck, Morton E., the effect of natural enemies on the nesting habits of some British Hon- duras birds, 53 Pelecanus californicus, 75, 171, 173 occidentalis, 133 Pelican, Brown, 133 California Brown, 75, 171, 173 Pelidna alpina sakhalina, 100 Pemberton, J. R., some bird notes from Ven- tura County, 18; notes on the rufous- crowned Sparrow, 123 Penthestes atricapillus septentrionalis, 39, 138 gambeli, 39, 149, 200 rnfescens, 168 rufescens vivax, 140 Perez, R. M., cowbird in Los Angeles County, 133; the western martin nesting in Los Angeles County, 133 Perisoreus canadensis fumifrons, 42 Petrel, Black, 74, 79, 170, 174, 187 Least, 74, 79 Petrochelidon lnnifrons, 37 Peucaea cassini, 99 Pewee, Western Wood, 34, 86, 88 Peyton, Lawrence, nesting of the spotted owl in northeastern Los Angeles County, Cali- fornia, 122 Phaethon aethereus, 74 Phaethornis adolphi, 55 Iongirostris, 55 Phainopepla, '48