684 



INDEX 



Balcenoptera rostrata, 550, 551 

 Balanoglossus, 2, 41, 42 : External 

 characters, 3, 4 : Coelome, 3 : 

 Digestive organs, 5 : Notochord or 

 cesophageal diverticulum, 3, 6 : 

 Blood -vascular system, 4, 6 : Ner- 

 vous system, 4, 5, 6, 7 : Repro- 

 ductive system, 7 : Development, 

 7, 8, 9 : Metamorphosis, 8, 9 



Baleen, 466*, 550*, 551 



Baleen whales, 466 



Balfour, F. M., 667 



Banded ant-eater, 480 



Bandicoots, 464, 480, 507, 544, 578 



Banks, Sir J., 655 



Barbel, 141* 



Barbels, in Teleostomi, 212, 214, 218 



Barbs, of feather, 370*, 371 



Barbules, of feather, 370*, 371 



Barriers, 606 



Barry, Martin, 659 



Basal plate, of Craniata, 73*, 74 



Basalia, of Craniata, 80* 



Basi-branchial, 74, 77, 145*, 199, 201 



Basi-branchial plate, 169 



Basi-branchiostegal, 201 



Basi-cranial axis, 498* 



Basi-cranial fontanelle, 122, 123* 



Basi-dorsal, 143 



Basi-facial axis, 498* 



Basi-hyal, 74, 76* See Skull 



Basi-occipital, 77* See Skull 



Basi-pterygium, 203, 204 



Basi-pterygoid processes, of Birds, 

 378*, 414, 415 : of Lizard, 308, 309 



Basi-sphenoid, 77*, 376, 377 See Skull 



Basi-temporals, 376, 377 



Basis cranii, 74* See Skull 



Basking sharks, 173, 182 



Bastards, 644 



Bates, H. W., 663 



Bathymetrical distribution, 614 



Bats, 471, 493, 501, 553, 581 See 

 Chiroptera 



Bdellostoma, 134, 135, 136, 137, 138, 

 139 



Bdellostoma forsteri, 135 



Bdellostoma stouti, 137, 138 



Beak, in Teleostomi, 218 : of Pigeon, 

 367 : of Neornithes, 408 



Beaked whales, 466 



Bears, 470, 491, 529, 530, 551, 552, 

 564, 580 



Beavers, 470, 491, 532 



Bee -eaters, 404 



Bellonius, 648 



Belly, of muscle, 266* 



Belodon, 359 



Beneden, E. van, 667 



Benthos, 616* 



Beryx, 620 



Biceps muscle, 268 



Bicipital groove, 442 



Bile, 85* 



Bile ducts, 85 See Liver 



Biogenesis, 650 



BiTds See Aves 



Birds of Paradise, 404, 411, 420, 602 



Blackbirds, 404 



Bladder, urinary, of Craniata, 116 : 

 Trout, 208, 209 : Teleostomi, 232 : 

 Rabbit, 459, 460 : Mammals, 565 



Blainville, 660 



Blastoccele, 280* 



Blastodermic vesicle, 569 



Blastula, of Amphioxus, 54, 55 



Blenny, 234 



Blind-snakes, 324, 356 



Blind-worm, 328, 332, 350, 358 



Blood, 94 See Vascular system 



Blood corpuscles, 50, 94 See Vascular 

 system 



Blood vessels See Vascular system 



Boar, 548 



Boas, 324, 356 



Boatswain-bird, 403 



Body, of vertebra, 72* 



Body-cavity See Coslome 



Body -wall, of Amphioxus, 44, 45 : of 

 Craniata, 67 



Boltenia, 24 



Bombinator, 293 



Bones, of Craniata, 76 



Bonnet, 653 



Bony labyrinth, 394* 



Bony Pike, 198, 213, 218 



Botryllus, 22, 25 



Bottle-nosed whales, 466, 501 



Boucher de Perthes, 665 



Bougainville, 655 



Bovidce, 468 See Oxen 



Bowerbank, 661 



Bower-birds, 429 



Bow-fin, 190, 213 



Brachial plexus, 277* 



Brachium, 67, 304 



Bradypodidce, 465 See Sloths 

 Bradypus tridactylus, 512, 513, 514, 



515, 554 



Brain, Amphioxus, 52 : of Craniata, 

 95, 97 : Lamprey, 126, 127, 128, 

 153, 154, 155, 156, 157: Elasmo- 

 branchii, 113 : Holocephali, 187, 

 188: Trout, 206, 207:' Teleos- 

 tomi, 231 : Ceratodus, 246, 247 : 

 Frog, 275, 276 : Amphibia, 298 : 

 Lizard, 318, 319, 320 : Reptilia, 349, 

 350: Pigeon, 391, 392: Aves, 421, 

 422 : Rabbit, 454-458 : Mammals, 

 577-562 



Brain-case, of Craniata, 73* 

 Branchia, of Salpa, 27* 



