INDEX 



The references in some cases are collected tinder heads, e.g. " Bones," 

 e< Muscles," "Authors quoted.' 1 '' Heavy type denotes that the reference is 

 comparatively important. The Index includes the names of some only of 

 the birds mentioned. 



Acetabulum, 16 



Adjutant bird, 197, 243, 387 



Age, 292 



Air, 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 

 Amoebre, 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 

 Archoeopteryx, 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, 



35 8 

 Beddard, 86, 163, 298, 318 

 Borelli, 259 

 Brehm, 400 

 Brightwen, 406 

 Browne, Montagu, 406 



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, 346 

 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 

 Gadovv (Bronn's Thier- Reich, 



vol. " Aves," &c), 39, 62, 



66, 67, 68, 285, 320 

 Gatke, 159, 161, 349, 355, 359 

 Geddes, 317, 320 

 Gegenbaur, 28 

 Gray, 372 

 Grenadier, 126 

 Guillemard, 312, 389 

 Haddon, 30 

 Harting, Pieter, 261 

 Helmholtz, 266 



