730 



INDEX 



Articulation, 617 



Artiodactyla, 688, 690, 723 



Arvicola, 704, 725 



Arytenoid cartilages, 579, 624 



Ascaris, 128, 130 



Ascidia, 405 



Ascidiacea, 411 



Ascidian, 406 



Asellus, 222, 224, 279 



Aspidobranchiata, 324 



Aspidochirotae, 360, 368 



Ass, 688 



Assimilation, 5 



Astacus, 176, 177, 178, 183, 187, 190, 



195, 278 



Asterias, 326, 329, 336, 367 

 Asterina, 337 



Asteroidea, 326, 338, 364, 365, 366, 367 

 Astropectinidae, 338 

 Asymmetry, 296 

 Ateles, 712, 726 

 Athene, 705 

 Atlas, 565 

 Atrial cavity, 393 

 Atrial pore, 393 

 Atrium, 97 

 Auchenia, 696, 724 

 Auditory cranial nerve, 426 

 Auditory ganglia, 421 

 Auditory ossicles, 645 

 Aurelia, 75, 76, 77, 111 

 Auricle, 535 

 Auriculae, 349 

 Automatism, 7 

 Autostylic, 457, 470 

 Aves, 451, 606, 629 ; classification of, 



633 



Avicularium, 379 

 Axial sinus, 336, 338 

 Axis, 565 



Axis-cylinder process, 417 

 Axolotl, 543 

 Axon, 150, 417 

 Axonosts, 481 



Babirusa, 691, 724 

 Bacteria, 19, 34 

 Badger, 677 

 Balaena, 683, 722 

 Balaenoptera, 683, 722 

 Balancers, 248, 257 

 Balanoglossida, 386, 392 

 Balanoylosstis, 386, 387 

 Balanus, 212, 278 

 Baleen, 682 

 Banded ant-eater, 662 

 Bandicoots, 662 

 Bank-vole, 704 

 Barbary ape, 712 

 Barbastelle, 708 

 Barbels, 449, 493 



Barbs, 607 



Barbules, 607 



Barnacle, 212, 213 



Barn-owl, 635 



Basement membrane, 382 



Baseosts, 481 



Basibranchial plate, 458 



Basidorsals, 475, 496, 499 



Basilingual cartilage, 550 



Basilar membrane, 649 



Basilar segment, 228 



Basi-occipital bone, 475, 571 



Basipodite, 181 



Basipterygium, 460 



Basisphenoid, 476, 571 



Basiventrals, 458, 475, 496 



Bass, 493 



Bastard wing, 611 



Bat, 606, 705, 706 



Batoidei, 467, 469, 512 



Batrachia, 544 



Bdelloida, 123, 125, 126 



Bdellostoma, 449 



Bear, 676 



Bear animalcules, 175 



Beaver, 663, 701, 704 



Bed-bug, 257 



Bee, 175, 246, 248, 256 



Beetle, 246, 250, 254 



Bettongia, 661, 664, 719 



Bile, 429 



Bile-duct, 429 



Biogen molecule, 4, 5 



Biogens, 4 



Biology, definition of, 1 



Bionomics, 10 



Bipalium, 94 



Biramous, 203, 210 



Birds, 296, 567, 606, 632 



Birth, 659, 665 



Biseriate, 460, 504, 509, 517 



Bisexual, 8 



Bison, 698 



Bivalves, 205, 284, 289, 291, 292, 294, 



296 



Black bear, 676 

 Bladder, 486, 533, 659 

 Blarina, 671, 720 

 Blastocoele, 115 

 Blind pouches, 171, 290, 401 

 Blind tubes, 264 

 Blind-worm, 585, 586 

 Blood, 187, 203, 432, 433, 665 

 Blood-sucking bat, 708 

 Blue-bottle, 258 

 Body cavity, 133 

 Body-wall, 56 

 Bombinator, 557, 562 

 Bombus, 256 



Bombyx, 249, 250, 258, 282 

 Bone, 413, 474; evolution of, 509 



