B Babbler, 244 Bactrian camel, 121 Bailey, 88 Baillon’s crake, 251 Balanced characters, 143 _Balearica chrysopelargus_, 105 _B. regulorum_, 105 _Bassaris astuta_, 242 Batesian mimicry, 177 Bateson, 26, 72, 73, 74, 75, 76, 102, 103, 302 Bats, 42 Bear, 101, 119, 190, 216, 282 Beddard, 180, 188, 194, 205, 211 Bee, 178, 179, 214, 221, 263, 264, 269 Beech, purple, 87 Bee-eater, 220, 278 Beetroots, 71 Belt, 216 Beluga, 190 Bentham, 260 Bestiary, 125 Bicheno’s finch, 105 Bilateral symmetry, 252, 253, 257 Bingham, Col. C. T., 239 Biological atoms, 158-69, 280 Biological molecules, 157-69, 280, 285, 291, 293, 294, 295, 344 Biological radicles, 158-69 Biophors, 153 “Bird Book, the,” 207 “Birds of the Plains,” 233, 303, 309, 359 Bison, 119, 126 Blackcock, 129, 131, 249, 278 Blackberry, 118 Blackbird, 201, 203, 207 Black-buck, 363 Blakiston, 181 Bloodsucker, 220 Blue-bellied waxbill, 104 Blyth, 115, 251 Boisier, 263 _Bombyx arrindia_, 125 _B. cynthia_, 124 Bonhote, 126, 288, 289, 290, 291, 292, 293, 337 Bontebock, 196 _Boselaphus tragocamelus_, 357, 363 _Bos frontalis_, 126 Boulenger, 88 Bower-bird, 306 Brain-fever bird, 235, 236, 248 Bramble, 261 _Branchipus_, 156 Brannam, 92 Brent, Mr, 307 British Museum, 129, 130, 187 _Bubo virginianus_, 221 _Bubulcus coromandus_, 254 Budgerigars, 101 Buffalo, 120, 199 Buffon, 2 Buff Orpingtons, 65 Buff-tip moth, 215 _Bufo melanostictus_, 219 Bulbul, 123, 220, 221, 244, 245, 255, 256, 279 Bull, 119 _Bungarus cœruleus_, 217, 247 Bunting, reed, 98, 190, 289 _Buphus coromandus_, 317, 318 Burbank, 118 Burnet moth, 102 Bush-buck, 196 Butcher-bird, 241, 253 Buttercups, 70, 267, 274 Butterfly, 45, 47, 102, 103, 196, 197, 203, 204, 209, 212, 216, 238, 239, 240, 250, 264, 280, 306, 381 Buzzard, 262