6i8 



INDEX 



Oriolidae, 542 f. ; habits, 543 



Oriolus ardens, 542 ; 0. cruentiis, 542 ; 0. 



gcdbula, 542, 542 ; 0. hosii, 542 ; 0. 



kundoo, 542 ; 0. steerii, 642 ; 0. traiUi, 



542 ; 0. «i;r«M, 542, 543 

 Ornilhion imberbe, 474, 476 

 Ortalis, 195, 197 ; 0. canicoUis, 197 ; 0. 



ruficauda, 197 ; 0. vetula, 195, 197 

 Orihnocne'inus, fossil, 251 

 Ortholophus, 390, 393 

 Orthonyx, 503, 504 

 Orthotomus, 514, 518 

 Ortygornis^ 226 



Orfj/i;, 202-204; O.virginianus, 231, 232 f. 

 Ortyxelus, 293 ; 0. meijfreni, 187, 295 

 Oscines, 466, 467, 494 ; families of, 495 f. ; 



structure, 496; voice-muscles, 13, 491 n. 

 Osculatia purpurea, 336 ; 0. sapphirina, 



336 

 Osmotreron, 348 ; 0. aromatica, 349 ; 0. 



oZaa;, 849 ; 0. pampadora, 349 ; 0. 



vernans, 348 f. 

 Osprey, 137, 149, 180 f, ; habits, 181 

 Ossifraga, 60, 61 ; fossil, 69 ; 0. gigantea, 



65 

 Osteornis, fossil, 490 

 Ostinops, 580 

 Ostrich, 26, 27 f., 28 ; breast-bone, 7 ; 



claws of toes, 10 ; farming, 30 ; feathers, 



30 

 Otididae, 243, 260 f ; habits, 262 f. 

 OtidipJiaps, 325, 328 ; 0. cervicalis, 335 ; 



0. insularis, 335 ; 0. nobilis, 335 

 Otis, 260, 262 ; fossil, 263 ; 0. tarda, 261, 



261'; 0. tetrax, 260-262 

 Olocompsa, 504, 505 

 Otocorys, 496-498 ; 0. alpestris, 496 t ; 



0. peregrina, 496 

 Ologyps, 143 ; 0. auricularis, 144 ; 0. 



calims, 144 

 Otophanes, 416 

 Ourissia, 426 



Ousel, King-, 510 ; Wa_fer-, 519 

 Oustalet — see Milne-Edwards 

 Oven-bird, 485 ; nest, 485 

 Oviedo, on a Humming-bird, 426 

 Owen, on Archaeopteryx, 23 ; on Dinor- 



nithidae, 41 ; on Dodo, 330 

 Owl, 175, 179, 180, 397 f. ; clavicles do 



not always unite, 8, 398; habits, 400 f.; 



toes, 10 ; American Screech-, 413 ; 



Barn-, 403 ; Brown, 405 ; Burrowing, 



400, 409 f, 410 ; Eagle-, 402, 



413 f. ; Grass-, 404 ; Hairy, 408 ; 



Hawk-, 401, 408, 411 ; Lapp-, 405 ; 



Laughing, 408 ; Little, 403, 410 f. ; 



Long-eared, 402, 406 ; Marsh-, 406 f. ; 



Mottled, 401, 413 ; of Pallas Athene, 



411 ; Pigmy-, 407 ; Saw-whet, 405 ; 



Scops, 403, 412 f. ; Screech-, 398-403, 



404 ; Short-eared, 400, 402, 403, 406 ; 



Snowy, 399-403, 412 ; Tawny, 398 n., 



405 ; Tengmalm's, 405 ; White, 403 ; 

 Wood-, 401, 402, 40.5, 406 ; Wood- 

 cock-, 407 



Oxbird, 279 



Ox-pecker, 561 



Oxylabes, 503 



Oxynotus, 526 



Oxypelia, 326 ; 0. cyanopis, 340 



Oxypogon guerini, 436 f 



Oxyrhamphidae, 469, 477 



Oxyrhaviphus, 477 



Oxyurus, 484 



Oyster-catcher, 276, 302 ; bill, 11 



Paauw, 263 n. 



Pachycephala, 531, 534 ; P. simplex, 533 



Pachycephalinae, 531 f. 



Pachyornis, 42 ; P. elephantopus, 42 



Pachyrhamphus, 480, 482, 483 



Paeoptera, 532 



Pagodroma nivea, 67 



Pagophila, 301 ; P. eburnea, 306 



Palaearctio region, 15 f. 



Pcdaeeudyptes antarcticus, fossil, 59 



PaJaegitlwIus, fossil, 496 



Palaelodidae, 70, 105, 108 



Palaelodiis, 70, 108 



Palaeocercus mivieri, fossil, 181 



Palaeociconia, fossil, 99 



Palaeocorax. fossil, 496"' 



Pcdaeocycnus, fossil, 136 



Palaeogaea, 15 



Palaeogrus, fossil, 256 



Palaeohierax geroaisi, fossil, 181 



Palaeolimnas, fossil, 251 



Palaeopelargus, fossil, 99 



Palaeoperdix, fossil, 240 



Palaeornis, 362-365, 368 ; P. eupatria, 



368 ; P. exsid, 366 ; P. torquata, 368 

 Palaeortyx, fossil, 240 

 Palaeospheniscus bergii, fossil, 59 ; P. 



menzbieri, fossil, 59 ; P. patagonicus^ 



fossil, 59 

 Palaeospiza, fossil, 496 

 Palaeotetrix, fossil, 241 

 Palaeotringa, fossil, 300 

 Palamedea, 109 ; P. cornuta, 110 

 Palamedeae, 108 f. 

 Palamedeidae, 108 t ; habits, 109 f. ; rib, 



6 ; young, 109 

 Palatine, 11 



Palmeria, 562, 564 ; P. doUi, 563 

 Pamprodactylous, 10 

 Pandion, 146 ; habits, 181 ; P. caroli- 



nensis, 181 ; P. haliaetus, 180 f. ; P. 



leucocephalus, 181 ; P. solitarius, 165 

 Pandionidae, 137, 180 f. ; young, 180 

 Panoplites, 437 f. 

 Panterpe insignis, 435 

 Panuridae, 541 f. 

 Panurus biarmicus, 541 f., 541 

 Panychlora, 433 



