592 
Ardeola ralloides, 91 
Ardetia, 87, 88, 89; A. 
89; A. minuta, 89 
Argillornis, fossil, 86 
Argus, 199; A. ocellatus, 208 
Argus, 217 
Argusianus, 199, 200; A. argus, 207 ; 
A, bipunctatus, 207 ; A. greyi, 207 
Argya, 502-504 
Arses, 507 
Artamia, 5333 A. bicolor, 033 ; A. leuco- 
cephala, 533 
Artamidae, 530 f. 
Artamides, 525 
Artamus, 494, 531; powder-down, 531 
Articular, 11; process of vertebra, 6 
Arundinax, 513 
Asarcornis, 112; A. scutulata, 134 
Asio, 399, 401-403; fossil, 4155; A. ac- 
cipitrinus, 400, 406 f.; A. americanus, 
406 ; A. capensis, 406; A. grammicus, 
406; A. madagascariensis, 406; A. 
mexicanus, 406; A. otus, 402, 406 ; 
A, stygius, 406 ; A. wilsonianus, 406 
Aspatha, 380; A. gularis, 381 
Asthenopterus minutus, fossil, 181 
Astrapia, 544, 549, 550; A. nigra, 545 ; 
A. splendidissima, 545 ; A. stephaniae, 
544, 546 
Astur, 156, 166 ; A. alphonsi, fossil, 181; 
A, atricapillus, 157 ; A. badius, 156 f. ; 
A. brutus, 157; A. cinereus, 157; A. 
JSranciscae, 157; A. hensti, 157; A. 
leucosomus, 157; A. novae hollandiae, 
156, 1573; A. paluwmbarius, 156; A. 
pusillus, 157; A. tachiro, 156 f.; A. 
trinotatus, 157 ; A. trivirgatus, 157 
Asturina, 166 f.; A. nitida, 167; A. 
plagiata, 166 f. 
Asturinula monogrammica, 156 
Asyndesmus torquatus, 461 
Atelornis, 378; <A. crossleyi, 378; A. 
pittoides, 378 
Atlas, 5, 390 
Atmore, on Secretary-bird, 142 
Atrichornis, 491, 493; A. clamosa, 493; A. 
rufescens, 493 
Atrichornithidae, 491, 493 
Attagis chimborazensis, 296; <A. gayi, 
296; A. malouina, 296 
Atticora, 523; A. cyanoleuca, 525 
Attila, 479 
Attilinae, 479 fL 
Audubon, on Humming-birds, 432 
Augastes, 482; A. lumachellus, 432 
Auk, 49, 54, 268, 315 f., 316 ; habits, 315 
f.;. Great, 315, 317, 320, 321; Little, 
316, 321; Parrot, 318 ; Razorbill—see 
Razorbill 
Auklet, Cassin’s, 318; Crested, 318; Knob- 
billed, 317; Least, 317, 318; Rhino- 
ceros, 317 f.; Whiskered, 318 
cinnamomea, 
INDEX 
Aulacorhamphus, 453, 456 f.; A. pra- 
sinus, 455 3 A. wagleri, 455 
Aulia, 480 
Auriculars, 20 
Auriparus, 538-540 
Australasia, as a Region, 15 
Australian Region, 15 f. ; its contents, 16 
Austro-Columbia, 15 
Austro-Coraces, 531 n., 557 n. 
Autumn moult, 4 f. 
Aves, as a Class, 28 
Avestruz, 30 
Avocet, 278 
Avocetta, 268 
Avocettula recurvirostris, 433 
Axis, 5 
Azara, on Toucan, 454 
Back, 20 
Badiostes, fossil, 415 
Baird, Brewer, and Ridgway, on Rhyn- 
chops, 304 n.; on Melanerpes, 461 n. 
Baker, 486 
Balaeniceps, 86, 87; B. rex, 93, 94 
Balaenicipitinae, 86 
Balearica, 251, 252; B. chrysopelarqus, 
256 ; B. gibbericeps, 256 ; B. puvonina, 
255, 256 
Bambusicola fytchii, 218; B. sonorivoz, 
219; B. thoracica, 219 
Baptornis, 25, 46, 47 
Barbatula, 450; B. 
pusilla, 449 
Barbet, 445, 448 f.; habits, 448 f. 
Barbicels, 3 
Barbs, 2, 3; absence of, 3 
Barbules, 2, 3 
Bargander, 128 
Barrel of feathers, or quill, 3 
Barrere, on Trochilus, 426 
Barrett-Hamilton, on Sterna longipennis, 
313 n. 
Bartlett, A. D., on Catheturus, 192 n. ; 
on Flamingo ejecting biood-like liquid, 
86 n.; on Hornbill, 392 n.; on moult of 
Penguin, 55 n.; on Plotus, 81 n.; on 
Rhinochetus, 263 n., 265 n. 
Bartlett, E., on Furnarius, 
Mesites, 187 
Bartramia longicauda, 285 f. 
Baryphthengus, 380 
Basileuterus, 574 
Basilornis, 559 
Basitemporal, 11 
Bastard wing, 9, 20 
Batara, 488, 489 
Bates, on Hurypyga, 266 ; on -Humming- 
birds, 432 
Batis, 509 
Batrachostomus, 415-417, 419 
Baza, 146, 173; B. borneensis, 173; B. 
ceylonensis, 173; B. cuculoides, 173 ; 
minuta, 450; B. 
486 ; on 
