INDEX 
The references tn some cases are collected under heads, e.g. ‘‘ Bones,” 
** Muscles,” ‘* Authors quoted.” 
comparatively important. 
the birds mentioned. 
ACETABULUM, I6 
Adjutant bird, 197, 243, 387 
Age, 292 
Atr, resistance of, 175, 184 
Movements of wing partly due 
to, 212 
Air-sacks, 79-86, 101, 102 
Albatross, 197, 241, 387, 399 
Allantois, 281 
Amnion, 281 
Ameebee, 75, 76 
Analogy, 30 
Ankylosis, 10, 17, 20 
Antics, 305 
Aorta, 69, 72, 279, 284 
Aortic arches, 282-284 
Apteria, 101, 154, 384, 393 
Apteryx, 107, 129 
Archeopteryx, 34-38 
Argus pheasant, 302, 312 
Auricle of heart, 69 
Authors quoted— 
Adamson, 161 
Alix, 28, 89, 169, 274 
Audubon, 313 
‘ Avanzini, 190 
Baird, Brewer, and Ridgway, 
358 
Beddard, 86, 163, 298, 318 
Borelli, 259 
Brehm, 400 
Brightwen, 406 
Browne, Montagu, 406 
Heavy type denotes that the reference ts 
The Index includes the names of some only of 
Authors quoted—continued 
Bruhin, 131 
Buckley, 59 
Butler, 331 
Cayley, Sir George, 85 
Chapman, 361 
Chapuis, 161 
Coues, 172 
Crisp, 115 
Darwin, 53, 119, 293, 310, 320, 
343, 340 
de Lucy, 262 
D’Esterno, 230 
Duval, 285. 
Edmondston, 163 
Forbes, W. A., 48 
Foster, Michael, 101, 105, 172 
Foster and Balfour, 285 
Fowler, Warde, 406 
Fiirbringer, 25, 115, 128, 172, 
197 
Gadow (Bronn’s Zhier- Reich, 
vol. ‘‘ Aves,” &c.), 39, 62, 
66, 67, 68, 285, 320 
Giatke, 159, 161, 349, 355» 359 
Geddes, 317, 320 
Gegenbaur, 28 
Gray, 372 
Grenacher, 126 
Guillemard, 312, 389 
Haddon, 30 
Harting, Pieter, 261 
Helmholtz, 266 
