INDEX. 



1125 



CEdemia 



fusca 943 



perspicilbita 944 

 CEsophagus 217 

 (Estrelata 1038 



tisheri 1040 



hssitata 1039 



scalaris 1040 

 Oil-gland 89 

 Old billv 932 

 Old-ticld lark 472 

 Old graiitiy 932 



injun 931 



molly 932 

 Old-squaw 931 

 Old-wife 931 

 Old-world 



goldtiiichcs 394 



partridges 750 



quail 750 



tree cuckoos 611 



vultures (i49 



warblers 2G1 

 Olecranon 113 

 Olfaction 184 

 Olfactory 



foramen 166 



lobes 181 



nerves 182 

 Oligomyodian 245 

 Olivaceous crested flycatcher 521 



flvcatchers 526 

 Olive '788 



warbler 318 

 Olive-back, tuneful 255 

 Olive-backed thrush 255 

 Olive-black towhee 458 

 Olive-sided tlvcatcher 524 

 Olor 894 

 Olnios 112 

 Ontogeny 71 

 Onychoprion 1016 

 Oology 



described 221 



study of 50 

 Oophoron niasculinum 224 

 Operculum 110 

 Opetiorliyncluis 211 

 Ophthaliiiic nerve 183 

 Opisthocoelous vertebra; 144 

 Opisthocomi 719 

 Opisthocomus cristatus 149, 719 

 Opisthotic bone 163, 193 

 Oporornis 335 

 Optic 



foramina 165 



lobes 171, 181 



nerves 181, 190 



thalami 181 

 Orange-crowned warbler 314 

 Orbicularis oculi 186 

 Orbit of eve 102. 185 

 Orbital 



process of (|uadrate 168 



region 102 

 Orliito-nasal septum 166 

 Orbito-splienoid 164 

 Orchard oriole 476 



texas 477 

 Order 71, 72, 73 

 Ord's ibis 805 

 Oregon 



chickadee 271 



grass finch 402 



jav 502 



olive-bnrked thrush 255 



Oregon 



robin 253 



ruffed grouse 743 



snow-bird 431 



song-sparrow 421 



towhee 458 

 Oreophasina; 721 

 Oreophasis derbianus 721 

 Oreortj'x 756 



pictus 757 



continis 758 

 plumilerus 757 

 Oreospiza 462 



chlorura 462 

 Organization, scale of 76 

 Organs 



of circulation 201 



of digestion 215 



of generation 223, 225 



of locomotion 115 



of respiration 205 



of special senses 180 

 Oriole 



arizona hooded 478 



auduboii's 478 



lialtimore 475 



black-and-vellow 478 



black-headed 478 



bullock's 470 



lid.ided 477 



little 342 



mountain 478 



orchard 476 



paris' 478 



Scott's 478 



texas orciiard 477 

 Orioles 474 



american 474 

 Ornithichnites 62 

 Ornithion 533 



imberbe 534 



ridgwaj'i 534 

 Ornitholite 63 



Ornithological book-keeping 22 

 Ornithology delined 59 

 Oniillioscelida 62 

 Oroscoptes 282 



montanus 282 

 Ortalis 721 



vetula maccalli 721 

 Ortolan 



(sora or rail) 856 

 Os 



humero-scapulare 151 



iunominatum 154 



lacrynio-palatinum 171 



magnum 113 



prominens 114 



uncinatum 171 

 Oscine podothcca 131 

 ()scines69, 246 

 ()si)rev petrel 1028 

 ( )s|)reys 698 

 Osseous s^'sfem 140 

 Ossicle of knee-joint 125 

 Ossicles 



of ear 142 

 Ossicula auditus 142 

 Ossilic ci'Mlrcs 140 

 C)ssifraga 102M 



gigantea 102S 

 Osteamcrha" 155 

 Osteological preparations 48 

 Osteology 140 

 Osteoses 140 

 Ostrich, skull of 175 



Otahiti curlew 842 

 Otic 



capsule 162 

 ganglion 183 

 Otidida; 845 

 Otis tarda 216 

 Otocorys 504 

 alpestris 505 

 adusta 508 

 arenicola 507 

 clirys(da>ma 508 

 giraudi 507 

 leucoliema 507 

 merrilli 508 

 pallida 507 

 praticola 506 

 rul)ea 508 

 strigata 507 

 Otocrane 193 

 Otogvps auricularis 649 

 Otoliths 196 , 



Ouzel 260 



water 260 

 Ovaries 45, 46, 221, 225 

 Oven-bird 333 

 Oviduct 226 

 Oviposition 229 

 Ovisac 226 

 Ovulation 229 

 Ovum 222 

 Owl 



acadian 638 

 aiken's screech 634 

 american barn 623 

 hawk 642 

 long-eared 624 

 wood 628 

 arctic american saw-whet 637 

 barred 628 

 burrowing 647 

 California screech 634 

 gnome 643 

 jiygmy 643 

 Canadian or luidsonian 642 

 cat 630 

 day 642 



dusky homed 631 

 dwarf screech 636 

 elf 645 

 ermine 639 

 european hawk 640 

 ferruginous pygmy 644 

 Hammulated screech 636 

 riorida barred 629 

 burrowing t;4S 

 screech 112, 634 

 gnome 648 

 gray 633 

 great grav 636 

 horned 630 

 hoot 628, 630 

 hoskins' pygmy 644 

 kennicott's screecii 634 

 kirtland's 638 

 lapp 637 

 little horned 633 

 macfarlane's screech 634 

 marsh ti25 

 merriam's 629 

 mt'xican screech 635 

 m<Mikev-faced ti23 

 muttl.'d 633 

 northern spotted 629 

 pacific horned 631 

 pygmv 643 

 rain 623 



