Axillary feathers, 158. 
Axis, 171. 
Aythya, 305. 
Babax, 288. 
Babblers, 116, 262. 
Back-bone, 169. 
Balenicepine, 302. 
Baleniceps, 502. 
TEL, BS, 39. 
Balearica, 302. 
Barbatula, 297. 
Barbets, 74, 267. 
Barnardius, 300. 
Barn Owl, 129. 
Baryphthengus, 296. 
Basileornis, 282. 
Basileuterus, 285. 
Basilinna, 234. 
Batara, 298. 
Bathilda, 283. 
Batis, 290. 
Baza, 300. 
Beak, bones of, 180. 
Bebrornis, 287. 
Bee-eaters, 82, 265. 
Beef-eaters, 112. 
Bee-guides, 84. 
Bell-bird, 91, 
268. 
Bellona, 295. 
Berenicornis, 296. 
Berlepschia, 292. 
Bernieria, 289. 
Bhringa, 282. 
Bias, 290. 
Biatas, 293. 
Bill, structure of, 141, 
148. 
Bird regions 
earth, 239. 
Birds, a Class, 1, 2, 
252, 259. 
Universal cha- 
racters of, 2, 255. 
of Paradise, 90, 

» 
93, 
of the 


261. 
of Prey, 128. 
Bittern, 36, 37, 272. 
Biziura, 305. 
Blacicus, 291. 
Blackbird, 109. 

ALPHABETICAL INDEX. 
Blackeap, 106, 107. 
Black Swan, 15. 
Blade-bone, 189. 
Blood, 217. 
Blood-vessels, 217. 
, development of, 
226, 
Blue-bill, 261. 
Blue Chatterer, 263. 
Boat-bill, 38, 272. 
Body and Tail, 150. 
Bohemian Waxwing, 
106. 
Bolbopsittacus, 299. 
Bolborhynchus, 299. 
Bonasa, 303. 
Bones of beak, 180, 181. 
of brain-case, 181. 
of limbs, 188. 
Booby, 28. 
Boots, 162. 
Botaurine, 301. 
Botaurus, 301. 
stellaris, 36, 37. 
Bourcieria, 294. 
Bower-birds, 93, 
261. 
Bowers for play, 98, 




95, 
at . 
Brachygalba, 297. 
Brachypteracias, 295. 
Brachypteractine, 295. 
Brachypternus, 297. 
Brachypteryx, 288. 
Brachyrhamphus, 305. 
Bradyornis, 287. 
Bradypterine, 287. 
Bradypterus, 287. 
Brain, 217. 
Brain-case, bones of, 
181. 
Branta, 305. 
Brazilian subregion, 
Birds of, 246. 
Breast-bone, 177. 
Broadbills, 76, 77, 
264. 
Bronchi, 211. 
Brotogerys, 299. 
Brush-tongued Parrots, 
269. 
Brush-turkeys, 275. 
Buarremon, 284. 
Bubo, 301. 
ignavus, 130. 
Bubonide, 271, 301. 
Bubonine, 301. 
Bucco, 297. 
tectus, 75, 76. 
Bucconide, 267, 297. 
Bucephala, 305. 
Buceros, 296. 
ruficollis, 78. 
Bucerotes, 265, 296. 
Bucerotide, 265, 296. 
Buchanga, 282. 
atra, 122. 
Bucoraz, 296. 
Bulbuls, 117, 262. 
Buphaga, 282. 
erythrorhyncha, 
IPS als 
Buphagine, 282. 
Burnesia, 287. 
Bursa Fabricii, 209. 
Busarellus, 300. 
Bush-cuckoos, 268. 
Bustard Quails, 11. 
Bustards, 47, 49, 273. 
Butastur, 300. 
Butcher-birds, 121. 
Buteo, 300. 
vulgaris, 125. 
Buteogallus, 300. 
Buteola, 300. 
Buteonine, 300. 
Buthraupis, 284. 
Buzzards, 125, 271. 
Bycanistes, 296. 






Cacatua, 299. 
Cacatuide, 269, 299. 
Cacatuine, 299. 
Caccabinine, 303. 
Caccabis, 305. 
Cacomantis, 298. 
Cactornis, 284. 
Cenotriceus, 291. 
Caica, 299. 
Cairina, 305. 
Calamanthus, 289. 
Calamocichla, 287. 
Calamonastes, 287 
Calamospiza, 285. 
