6i8 



INDEX 



Oriolidae, 542 f. ; habits, 543 



Oriolus ardens, 542 ; 0. cruentus, 542 ; 0. 



galbula, 542, 542 ; 0. hosii, 542 ; 0. 



kundoo, 542 ; 0. steerii, 542 ; 0. trailli, 



542 ; 0. viridis, 542, 543 

 Ornithion imberbe, 474, 476 

 Ortalis, 195, 197 ; 0. canicollis, 197 ; 0. 



rujka^lda, 197 ; 0. wfttlo, 195, 197 

 Orthnocnemus, fossil, 251 

 Ortholophus, 390, 393 

 Orthonyx, 503, 504 

 Orthotomus, 514, 518 

 Ortygornis, 226 



Or^, 202-204; 0. virginianus, 231, 232 f. 

 Ortyxelus, 293 ; 0. mei/reni, 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. 



0&&e, 349 ; 0. pompadora, 349 ; 0. 



vernans, 348 f. 



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

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



65 



Osteornis, fossil, 496 

 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. 

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



0. insularis, 335 ; 0. nobilis, 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. peregrina, 496 

 Otogyps, 143 ; 0. auricular is, 144 ; 0. 



calvus, 144 

 Otophanes, 416 

 Ourissia, 426 



Ousel, King-, 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 ; 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, 405, 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 



Oxyrhamphus, 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 



Palaearctic region, 15 f. 



Palaeeudyptes antarcticus, fossil, 59 



Palaegithalus, fossil, 496 



Palaelodidae, 70, 105, 108 



Palaelodus, 70, 108 



Palaeocercus cuvieri, fossil, 181 



Palaeociconia, fossil, 99 



Palaeocorax, fossil, 496 



Palaeocycnus, fossil, 136 



Palaeogaea, 15 



Palaeogrus, fossil, 256 



Palaeohierax gervaisi, fossil, 181 



Palaeolimnas, fossil, 251 



Palaeopelargus, fossil, 99 



Palaeoperdix, fossil, 240 



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



368 ; P. exsul, 366 ; P. t&rquata, 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 f. ; habits, 109 f. ; rib, 



6 ; young, 109 

 Palatine, 11 



Palmeria, 562, 564 ; P. dolii, 563 

 Pamprodactylous, 10 

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



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



leucocephalv.s, 181 ; P. solitarius, 165 

 Pandionidae, 137, 180 f. ; young, 180 

 Panoplites, 437 f. 

 Panterpe insignis, 435 

 Panuridae, 541 f. 

 Panurus biarmicus, 541 f. , 541 

 PanycfUora, 433 



