INDEX. 



671 



Bathyphasma, 242 2 . 

 Bathypterois, 226 2 . 

 Bathysaurus, 226 '. 

 Bathythrissa, 214 2 . 

 Bathytroctes, 214 2 . 

 Batrachia, 307. 

 Batrachocephalus, 221 2 

 Batrachoides, 244 1 . 

 Batrachophrynus, 276, 



312 1 . 



Batrachopsis, 310 2 . 

 Batrachoseps, 293, 306 1 . 

 Batrachus, 187, 203, 



244 1 . 



Batrachylodes, 313 1 . 

 Batrachyperus, 306 1 . 

 Batrochostomus, 472 2 . 

 Bdellophis, 304. 

 Bdellostoma, 95, 117. 

 Bdeogale, 620 1 . 

 Beak, birds, 438. 

 Bear, ant, 544 1 ; native, 



537 1 . 



Bears, 623 1 . 

 Beaumaris shark, 15 1 2 . 

 Beaver, 632 2 . 

 Bee-eater, 47 1 2 . 

 Beisa, 59 1 1 . 

 Belemnobatis, 154 1 . 

 Bellia, 413i. 

 Bellows-fish, 229 1. 

 Belodon, 381. 

 Belodontichthys, 221 2 . 

 Belone, 231 1. 

 Belonesox, 227 1 . 

 Belonorhynchidae, 170. 

 Belonostomus, 180. 

 Beluga, 563 2 . 

 Bembras, 242 1 . 

 Bembrops, 243 2 . 

 Benedenius, 170. 

 Benthodesmus, 239 1 . 

 Benthophilus, 241 1. 

 Benthosaurus, 226 2 . 

 Berardius, 562 2 . 

 Bernissartia, 382 2 . 

 Beryx, 233 2 , 234*. 

 Betta, 237 1 . 

 Bettongia, 535 2 , 535. 

 Bezoar stone, 587 1 . 

 Bib, 232 2 . 

 Bibos, 591 2. 

 Bidder's organ, 295. 

 Bilophodont, 593 1 . 

 Bimana, 665. 

 Binturong, 620 1 . 

 Biot on air-bladder, 204. 

 Bipinnula, 238 2 . 

 Bird of Paradise, 477 1 . 



Bison, 591 2 . 



Bitis, 371 2 . 



Bitterling, 220 1 . 



Bittern, 46 1 2 . 



Black bass, 234 1 . 



Black-bird, 475 2 . 



Blackhead, 219 2 . 



Black-sea bream, 236 1 . 



Black-snake, 368 1 , 370 2 . 



Black witch, 470 1 . 



Bladder, Amphibia, 291; 

 Chelonia, 410; Rep- 

 tilia, 324. 



Blanus, 353 1 . 



Blarina, 640 1 . 



Blarinomys, 634 1 . 



Blastopore, Amphibia, 

 297 ; Amphioxus, 33 ; i 

 Blastopore relation of 

 to mouth and anus, 3. 



Blastosphere of Am- 

 phioxus, 32, 33. 



Blaubok, 591 1. 



Bleak, 220 2 . 



Blenniiformes, 243 1 , 



Blenniops, 244 1 . 



Blennius, 208, 2 12,244!. 



Blennophis, 244 1 . 



Blenny, 243 2 ; butterfly, I 

 2441. 



Blepsias, 242 1 . 



Blessbok, 590 2 . 



Blind fish, 227 1 . 



Blind-worm, 352 1 . 



Blubber, 553. 



Blue-shark, 151 ^ 



Blythia, 366 2 . 



Boa, 362, 365 2 . 



Boar, 58 1 1 . 



Boar-fish, 236 2 . 



Boatswain-bird, 461 2 . 



Body cavity, Amphibia, 

 277 ; Elasmobranchii, 

 140 ; Mammalia, 512 ; 

 Teleostei, 208 ; Ver- 

 tebrata, 49. 



Bohr on air-bladder, 

 205. 



Bola, 220 1 . 



Boleophthalmus, 241 1. 



Boleosoma, 234 2 . 



Bolieria, 365 2 . 



Bolodon, 541 2 . 



Bombay duck, 226 1 . 



Bombinator, 273, 276, 

 293, 310 1 . 



Bonasa, 465 2 . 



Bone-dog, 152 2 . 



Boneia, 646 1 . 



Bonito, 238 2 . 

 Bontebok, 590 2 . 

 Booby, 461 2 . 

 Boodon, 366 2 . 

 Borborocoetes, 311 2 . 

 Borhyaena, 541 *. 

 Bos, 591 2 . 

 Boselaphus, 591 l . 

 Botaurus, 461 2 . 

 Bothragonus, 242 2 . 

 Bothriolepis, 262. 

 Bothrolycus, 366 2 . 

 Bothrophthalmus, 366 2 . 

 Botia, 221 1. 

 Bottosaurus, 383 1 . 

 Boulenger on Teleostei, 



212. 



Boulengerina, 370 1 . 

 Bovichthys, 243 2 . 

 Bower-bird, 477 1 . 

 Box, 236^. 

 Box-tortoise, 413 2 . 

 Brachyaspis, 370 1 . 

 Brachycephalus, 312 1 . 

 Brachydeirus, 260. 

 Brachylophus, 350 2 , 



Brachymeles, 354 1 . 



Brachymystax, 216 1 . 



Brachyodont, 505. 



Brachyophis, 368 2 . 



Brachyopsis, 242 2 . 



Brachyorrhus, 366 2 . 



BrachyphyUa, 648 2 . 



Brachypleura, 240 2 . 



Brachypteracias, 471 l . 



Brachysomophis, 225 1 . 



Brachytarsomys, 633 1 , 

 634 ] . 



Brachyteles, 657 2 . 



Brachyuromys, 634 1 , 

 657i. 



Brachyurus, 657 1 . 



Brady pus, 511, 544 2 , 

 545. 



Bradytherium, 543 2 . 



Brain, Amphibia, 273 ; 

 birds, 435 ; Croco- 

 dilia, 378 , Dipnoi, 

 254, 255, 256; Elas- 

 mobranchii, 132, 133, 

 134 ; fishes, 66 ; Gan- 

 oidei, 163 ; Lepidos- 

 teus, 178; lizards, 

 344 ; Mammalia, 494 ; 

 Marsipobranchii, 106 ; 

 Reptilia, 320, 321 ; 

 snakes, 362; Teleos- 

 ,tei, 193, 194. 



