590 
INDEX 
Aesacus magnirostris, 297 ; A. recurvi- 
rostris, 297 
Aesalon columbarius, 178; A. regulus, 
177 ; A. rujicollis, 178; A. typus, 178 
Aethiopsar, 561 
Aethopyga, 569 
Aethorhynchus, 504-506 
Aex, 111, 112 ; A. galericulata, 114, 133 ; 
A, sponsa, 133 
Aftershaft, of feathers, origin of, 3 ; absent, 
in Alcedinidae, 383 ; in Apteryx, 39 ; in 
Hornbill, 390; in Mesites, 187; in 
Ostrich, 27 ; in Owls, 399 ; in Pandion, 
180; in Rheidae, 30 ; in Struthionidae, 
27 
Agami, 258 
Agamia agami, 91 f. 
Agapornis, 364, 368; A. cana, 368; A. 
pullaria, 368; A. roseicollis, 368; A. 
taranta, 368 
Agelaeinae, 579 f. 
Agelaeus, 581; A. phoeniceus, 580 
Agelastes, 201 ; A. meleagrides, 205 
A glaeactis, 437 
Agnopterus, fossil, 108 
Agriornis, 4738, 475 
Air-cells, in Sula, 72 
Air-sac, 21; in Tetraoninae, 201 
Aithurus, 426, 4380; A. polytmus, 483, 
433 
Ajaja, young, 105 ; A. rosea, 105 
Ala, 21 
Alaemon, 497, 498; A. alaudipes, 497 
Alar bar, 21 
Alaska, to which region belonging ? 16 
Alauda, 497 ; A. arvensis, 496, 497 
Alaudidae, 494, 496 f.; habits, 498 
Alaudula raytal, 498 
Albatros, 59 f., 61-63, 81, 148 ; Wander- 
ing, 63 f., 64 
Albinism, its cause, 4 n. 
Alca, 315, 320; A. impennis, 315, 320, 
321s sAe torda,.320) f. 
Alcae, 268, 315 f. 
Alcedinidae, 376, 382 f.; habits, 383 f. 
Alcedininae, 382, 386 
Alcedo, 383 ; A. beryllina, 387 ; A. ispida, 
387 
Alcidae, 49, 268, 315 f.; bill-sheath and 
outgrowth shed, 5 n., 317 f.; habits, 
515 f. 
Alcippe, 503 
Alcurus, 504 
Alcyone, 383, 384; toes, 10, 883; A. 
azurea, 886 
Alectorides, 243 
Alectoroenas, 326, 346; <A. madagas- 
cariensis, 846; A. nitidissima, 346 ; 
A. pulcherrima, 346; <A. vrodericana, 
fossil, 850; A. sganzini, 346 
Alectoromorphae, 182 
Alectoropodes, 186 
Alectrurus, 473, 475, 477; A. risorius, 
473, 474; A. tricolor, 473, 475 
Alethe, 5138 
Aletornis, fossil, 256 
Alexandrine—see Parrot 
Alisphenoid, 11 
Allantois, 21 
Altham, E. and H., on Dodo, 330 
Altrices, 21 
Alucinae, 398 n. 
Alula spuria, 9, 20 
Amadavat, 577 
Amaurornis, 249 ; A. phoenicura, 249 
Amazilia, 435; A. cyanura, 485; A. 
pristina, 435 
Amblyornis, 5515; A. flavifrons, 549; A. 
inornata, 549, 551 f.; A. subalaris, 
549, 552 
Amblyospiza, 577 
Ame damnée, 66 
Ameghino, on ‘‘Stereornithes,” 44 
Ammodramus, 583, 586 
Ammomanes, 497, 498 
Ammoperdiz, 202; A. bonhamt, 228; A. 
cholmleyi, viii ; A. heyi, 228 
Amnion, 21 
Ampeliceps, 559 
Ampelidae, 529 f. 
Ampelion, 480 
Ampelis, 529; <A. cedrorwm, 5380; A. 
garrulus, 529, 580; A. phoenicoptera, 
530 
Amphicoelous, 6 
Amphimorphae, 105 
Amphipelargus, fossil, 99 
Amurolimnas, 244 
Amytis, 517 
Anaeretes, 474 
Analogous, meaning, 5 
Anarhynchus, 268; A. frontalis, 274, 
274 
Anas, 112; fossil, 186; A. aberti, 127; 
Avs (boscas; ile, 2a: Nskull els eee 
cristata, 128; A. diam, 127; A. fulvi- 
gula, 127; A. laysanensis, 127; dA. 
luzonica, 127 ; A. maculosa, 127; A. 
mellert, 127; A. obscura, 127; A. 
poecilorhyncha, 127; A. sparsa, 127 ; 
A. specularis, 128; <A. superciliosa, 
127 ; A. undulata, 127 ; A. wyvilliana, 
127 ; A. zonorhyncha, 127 
Anastomus, 95, 97 ; sifting apparatus of 
bill, 12; <A. Jlamelligerus, 973; A. 
oscitans, 97 
Anatidae, 108, 111 f.; habits, 113 f.; shed 
wing-quills simultaneously, 4; young, 
114 
Anatinae, 111, 112, 123 
Ancistrops, 484 
Andigena, 456 ; A. bailloni, 456 ; A. lami- 
nirostris, 453, 456 
Andrews, on Aepyornis and Mullerornis,. 
