6i8 



INDEX 



Oriolidae, 542 f. ; habits, 543 



Oriolus aniens, 542 ; 0. cruentus, 542 ; 0. 



(jcdbula, 542, 542 ; 0. hot<ii, 542 ; 0. 



kundoo, 542 ; 0. steer ii, 542 ; 0. trailli, 



542 ; 0. -yinrfts, 542, 543 

 Ornithion imberbe, 474, 476 

 Ortaiis, 195, 197 ; 0. canicolUs, 197 ; 0. 



rujicmula, 197 ; 0. velula, 195, 197 

 Orthnocnemus, fossil, 251 

 Ortholophus, 390, 393 

 Orthonyx, 503, 504 

 Orthotomus, 514, 518 

 Ortygornis, 226 



Oriiyx, 202-204; 0. virginianus, 231, 232 f. 

 Ortyxehis, 293 ; 0. meiffmii, 187, 295 

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



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

 Osculatia purpurea, 336 ; 0. sajiphirina, 



336 

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



o^«:c, 349 ; 0. ponipaduru, 349 ; O. 



vernans, 348 f. 

 Osprey, 137, 149, 180 f. ; habits, ISl 

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



65 

 Osteornis, fossil, 496 

 Ostiriops, 580 

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



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



30 

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

 Otidijjhaps, 325, 328 ; 0. cervical is, 335 ; 



0. insularis, 335 ; 0. nohilis, 335 

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



261 ; 0. tetrax, 260-262 

 Otocompsa, 504, 505 

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



0. peregriiia, 496 

 Otogyps, 143 ; 0. auricidaris, 144 ; 0. 



calvus, 144 

 Otophanes, 416 

 Ourissia, 426 



Ousel, Ring-, 510 ; Water-, 519 

 Oustalet — see Milne-Edwards 

 Oven-bird, 485 ; nest, 485 

 Oviedo, on a Humming-bird, 426 

 Owen, on Archaeopteryx, 23 ; on Dinor- 



nithidae, 41 ; ou 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, 405, 406 ; Wood- 

 cock-, 407 



Oxbird, 279 



Ox-pecker, 561 



Oxylubes, 503 



Oxynotus, 526 



Oxypelia, 326 ; 0. cyanopis, 340 



Oxypogon guerini, 436 f. 



Oxyrhamphidae, 469, 477 



Oxyrhamphus, 477 



Oxyurus, 484 



Oyster-catcher, 276, 302 ; bill, 11 



Paauw, 263 n. 



Parhycephala, 531, 534 ; P. simplex, 533 



Pachycephaliuae, 531 f. 



Pachyornis, 42 ; P. elephantopus, 42 



Pachyrhamphus, 480, 482, 483 



Paeoptera, 532 



Pagodroma nivea, 67 



Pagophila, 301 ; P. ehurnea, 306 



Palaearctic region, 15 f. 



Palaeeudyptes antarcticus, fossil, 59 



Palaegitludus, fossil, 496 



Palaelodidae, 70, 105, 108 



Palaelodus, 70, 108 



Palaeocercus cuvieri, fossil, ISl 



Palaeociconia, fossil, 99 



Palaeocorax. fossil, 496 



PaJaeocycnus, fossil, 136 



Palaeogaea, 15 



Palaeogrus, fossil, 256 



Palaeohierax gervaisi, fossil, 181 



Palaeolimnas, fossil, 251 



Palaeopelargus, fossil, 99 



Palaeoperdix, fossil, 240 



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



368 ; P. exjiid, 366 ; P. torquata, 368 

 Palaeortyx, fossil, 240 

 Palaeospheniscus bergii, fossil, 59 ; P. 



menxhieri, fossil, 59 ; /••. ])atagonicus, 



fossil, 59 

 Palaeospiza, fossil, 496 

 Palaeotetrix, fossil, 241 

 Palaeotringa, fossil, 300 

 T'alamedea, 109 ; P. cvrnuta, 110 

 Palamedeae, 108 f. 

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



6 ; young, 109 

 Palatine, 11 



Palmeria, 562, 564 ; P. dolii, 563 

 Pamprodactylous, 10 

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



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



leucoceplialus, 181 ; P. soiitarius, 165 

 Pandionidae, 137, 180 f. ; young, 180 

 Panoplites, 437 f. 

 Panterpe insignis, 435 

 Panuridae, 541 f. 

 Panurus biarmicus, 541 f. , 541 

 Panychlora, 433 



