850 



INDEX. 



Orbito-sphenoid 158 

 Orchard oriole 407 



texas 407 

 Order 72, 73 

 Oregon 



jav 425 



olive-backed thrush 247 



snow-bird 378 



song sparrow 372 



robin 245 



ruffed grouse 585 



towhee 396 

 Oreophasinse 572 

 Oreophasis derbiaiuis 572 

 Oreophilus totanirostris 597 

 Organization, scale of 77 

 Organs 



of circulation 105 



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-yellow 409 



black-headed 410 



bullock's 409 



hooded 409 



orchard 407 



paris' 40!) 



texas orchard 408 

 Orioles 406, 407 

 Ornithichnites 62 

 Ornithium 443 



imberbe 444 

 Ornitholite 63 



Ornithological book-keeping 22 

 Ornithology defined 53 

 Ornithoscelida 62 

 Orortvx 591 



plcta 591 

 Oroscoptes 249 



montanus 249 

 Ortalis 573 



vetula maccalli 573 

 Ortolan 



(reed-bird) 401 



(sora or rail) 673 

 Ortyx 589 



'floridana 591 



texana 591 



virginiana 589 

 Ortyxelos meiffreni 572 

 Oscine podotheca 125 

 Oscines 69, 239, 240 

 Os 



humero-scapulare 145 



innominatum 148 



lacri'mo-palatinum 165 



magnum 107 



prominens 108 



uncinatum 165 

 Ospreys 556 

 Osseous system 134 

 Ossicles 



of ear 136 



of wing 108 

 Ossicula auditiis 136 

 Ossific centres 134 

 Ossifraga 777 



gigantea 777 

 Osteamcebae 149 

 Osteological preparations 48 

 Osteology 134 



Osteoses 134 

 Ostrich, skull of 169 

 Otahiti curlew 646 

 Otic 



capsule 156 



ganglion 177 

 Otidid:\- 597, 665 

 Otis tarda 210 

 Otocrane 187 

 Otogvps auricularis 519 

 Otoliths 190 

 Ouzel 255 



water 255 

 Ovaries 45, 40, 215, 219 

 Oven-bird 308 

 Oviduct 220 

 Ovisac 220 

 Oviposition 223 

 Ovulation 220 

 Ovum 216 

 Owl 



acadian 513 



anierican hawk 511 



anierican lung-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 5i6 



enropean hawk 512 



ferrugineous gnome 514 



tiaminulated screech 506 



florida barred 510 



florida screech 100 



florida burrowing 517 



great gray 509 



great liorned 503 



hoot 503, 509 



kennicott's screech 505 



lap 509 



little horned 505 



mottled 505 



red 505 



saw-whet 513 



screech 505 



short-eared 507 



snowy 510 



spectral 509 



texas screech 506 



western barred 510 



white horned 504 

 Owls, 498, 500, 502 



barn 500, 501 



brown 508 



burrowing 516 



eared 507 



elf 515 



gnome 514 



gray 508 



great horned 503 



hawk 511 



hoot 503 



little horned 504 



marsh 507 



other 502 



pygmy 514 



saw-whet 512 



screech 504 



snow 510 



Owls 



sparrow 514 



Ox-eye 598 



Oyster-catcher 

 american 606 

 black 607 

 european 606 



Oyster-catchers 60 



Pacific 



bar-tailed godwit 636 



black-throated diver 791 



eider 712 



fulmar 778 



orange-crowned warbler 295 

 Pagophila 749 



eburnea 749 

 Painted 



bunting 391 



tinch 391 



indigo 391 

 lazuli 391 

 purple 391 



finches 390 



flycatching warbler 315 



geese 680 



goose 686 



longspur 358 

 Paisano 474 



Pala'oborus umbrosus 822 

 Pala-ocvcnus falconeri 682 



Palai-ornithidjB 495 

 ! Palaornithimr 495 

 Pala^ospiza bella 822 

 PaliBotringa 



litoralis 828 



vagans 828 



vetus 828 

 Palamedea cornuta 665 

 PalamedeidK 665 

 Pallas' 



cormorant 728 



gull 744 



rosy finch 352 

 Palatal 



bones 163 



structure, types of 168 

 Palate, hard 163 

 Palatine bones 163 

 Pale ring-neck 602 

 Palm warbler 307 

 Palmate foot 131 

 Palmation 131 

 Palpebr.-e 97 

 Pancreas 215 

 Pandion 556 



haliaetus 556 

 Panniculus carnosus 200 

 Panvptila 456 



"saxatilis 456 

 Parabuteo 542 

 Parachordal cartilage 151 

 Pai'adi;-e 



tern 7G0 



trogon 467 

 Paragnathous bill 101 

 Parasite 344 

 Parasitic jager 736 

 Parasphenoid 155, 159 

 Parauchenia 96 

 Parida? 263 

 Parinse 263 

 Paris' oriole 409 

 Parietal bones 156 

 Parovaria 215 



