b50 



INDEX. 



Orbito-sphenoid 158 

 Orchard oriole 407 



texas 407 

 Order 72, 73 

 Oregon 



jay 425 



olive-backed thrush 247 



snow-bird 378 



song sparrow 372 



robin 245 



ruffed grouse 585 



towhee 396 

 Oreophasinie 672 

 Oreophasia derbianus 572 

 Oreophilus totanirostris 597 

 Organization, scale of 77 

 Organs 



of circulation 195 



of digestion 209 



of generation 217, 219 



of locomotion 109 



of respiration 199 



of special senses 174 

 Oriole 



audubon's 410 



baltimore 408 



black-and-^ellow 409 



black-headed 410 



bullock's 409 



hooded 409 



orchard 407 



paris' 409 



texas orchard 403 

 Orioles 406, 407 

 Omithichnites 62 

 Ornithium 443 



imberbe 444 

 Omitholite 63 



Ornithological book-keeping 22 

 Ornithology defined 59 

 Omithoscelida 62 

 Orort^'x 591 



picta 591 

 Oroscoptes 249 



montanus 249 

 Ortalis 573 



vetula maccalli 573 

 Ortolan 



(reed-bird) 401 



(sova or rail) 673 

 Ortyx 589 



'floridana 591 



texana 591 



rirginiana 589 

 Ortyxelos meiffreni 572 

 Oscine podotheca 125 

 Oscines 69, 239, 240 

 Os 



humero-scapulare 145 



innominatum 148 



lacrjTno-palatinum 165 



magnum 107 



pfominens 108 



uncinatum 165 

 Ospreys 556 

 Osseous system 134 

 Ossicles 



of ear 136 



of wing 108 

 Ossicula auditCts 136 

 Ossific centres 134 

 Ossifraga 777 



gigantea 777 

 Osteamoebs 149 

 Osteological preparations 43 

 Osteology 134 



Osteoses 134 

 Ostrich, skull of 169 

 Otahiti curlew 646 

 Otic 



capsule 156 



ganglion 177 

 Otididas 597, 665 

 Otis tarda 210 

 Otocvane 187 

 Otogyps auricularis 519 

 Otoliths 190 

 Ouzel 255 



water 255 

 Ovaries 45, 46, 215, 219 

 Oven-bird 808 

 Oviduct 220 

 Ovisac 220 

 Oviposition 223 

 Ovulation 220 

 Ovum 216 

 Owl 



acadian 513 



american hawk 511 



american long-eared 507 



american wood 509 



arctic american saw-whet 512 



barn 502 



barred 509 



burrowing 56 



California screech 506 



California gnome 514 



cat 503 



Colorado screech 506 



day 511 



duskv horned 504 



elf 616 



european hawk 612 



ferrugineous gnome 514 



flammulated screech 506 



florida barred 510 



florida screech 106 



florida burrowing 517 



great gray 509 



treat homed 503 

 oot 803, 509 

 kennicott's screech 505 

 lap 509 



little horned 505 

 ■ mottled 505 

 red 505 

 saw-whet 513 

 screech 505 

 short-eared 507 

 snowj' 510 

 spectral 609 

 texas screech 506 

 western barred 510 

 white horned 504 

 Owls, 498, 600, 502 

 barn 500, 601 

 brown 508 

 burrowing 616 

 eared 507 

 elf 515 

 gnome 514 

 gray 508 

 great horned 503 

 hawk 511 

 hoot 603 

 little horned 504 

 marsh 507 

 other 502 

 P5'gmy 514 

 saw-whet 512 

 screech 504 

 snow 510 



Owls 



sparrow 514 

 Ox-eye 598 

 Oyster-catcber 



american 606 



black 607 



european 606 

 Oyster-catchers 606 



Pacific 



bar-tailed godwit 636 



black-throated diver 791 



eider 712 



fulmar 778 



orange-crowned warbler 295 

 Pagophila 749 



eburnea 749 

 Painted 



bunting 391 



finch 391 



indigo 391 

 lazuli 391 

 purple 391 



finches 390 



flycatching warbler 315 



goose 686 



longspur 358 

 Paisano 474 



Palseoborus umbrosns 822 

 Palaeocycnus falconeri 682 

 Palseornithidaj 495 

 Palieornithinse 495 

 Palteospiza bella 822 

 PalsBOtringa 



litoralis 828 



vagans 828 



vetus 828 

 Palamedea coniuta 665 

 Palamedeidse 665 

 Pallas' 



cormorant 728 



gull 744 



rosy finch 352 

 Palatal 



bones 163 



structure, tvpes of 168 

 Palate, hard 16S 

 Palatine bones 163 

 Pale ring-neck 602 

 Palm warbler 307 

 Palmate foot 131 

 Palmation 131 

 Palpebrse 97 

 Pancreas 215 

 Pandion 556 



haliaetus 556 

 Panuioulus carnosus 200 

 Panyptila 456 



saxatilis 456 

 Parabuteo 542 

 Parachordal cartilage 151 

 Paradise 



tern 766 



trogon 467 

 Paragnathous bill 101 

 Parasite 344 

 Parasitic ja^er 736 

 Parasphenoid 155, 169 

 Parauchenia 96 

 Paridse 263 

 Parinse 263 

 Paris' oriole 409 

 Parietal bones 166 

 Parovaria 215 



