INDEX 



661 



. .4 symmetron, 38 



A teles, 459 



Athecata, 343 



Atrial canals, of Appendicvlaria, 21 



Atrial lobes, of Doliolum, 22 



Atriopore, of Amphioxus, 39, 43 



Atrium, of Ascidia, 14 : Amphioxw*, 43 



Auditory capsules, of Craniata, 69 



Auditory nerve, 98, 99 See Brain 



Auditory organ See Ear 



Auditory ossicles, 426 See Ear 



Auditory region, of Craniata, 69 



Augustine, 635 



Auks, 388, 398, 414, 416 



Autostylic, 71*, 177 



Auricle, 84, 88 See Heart 



Auricular appendix, 434 



Australian region, 595 



Aves, 350: Example, 351: Distinctive 

 characters and classification, 380 : 

 General organisation of Aves, 389 : 

 Archseornithes, 390 : External cha- 

 racters of Neornithes, 392 : Ptery- 

 losis, 394: Skeleton, 396: Myology, 

 405 : Digestive organs, 405 : Respira- 

 tory and vocal organs, 406 : Circula- 

 tory organs, 406 : Nervous system and 

 sense organs, 407 : Urinogenital or- 

 gans, 407 : Development, 407 : Dis- 

 tribution, 414 : Ethology, 415 : Phylo- 

 geny, 415 



Avocet, 393 



Axis, basi-cranial, 481* 



Axolotl, 272, 289 



Aye -Ayes, 458 



B 



B 



BABOONS, 522, 524 



Baer, K. E., von, 640 



Balcenct, 451 



Balamidce, 450 



Balcenoptera muwuhts, 500 



>a/moptera rottrata, 535 



Balanoglosvus, 1, 37,38: External charac- 

 ters, 2 : Digestive organs, 3 : Skeleton, 

 3 : Blood-vascular system, 3 : Nervous 

 system, 4 : Reproductive system, 5 : 

 Development, 5 : Metamorphosis, 6 



Baleen, 535 



Baleen whales, 450 



Balfour, F. M., 648 



Bandicoots, 449, 467, 492, 530, 561, 563 



Banks, Sir J.,636 



Barbel, 136 



Barbels, in Teleostomi, 209 



Barbs, of feather, 354 



Barbules, of feather, 354 



Barriers, 590 



Barry, Martin, 640 



Basale, 217 



Basalia, of Craniata, 76 



Basal plate, of Craniata, 69 



Basi-branchial, 192 

 Basi-branchial plate, 162 

 Basi-cranial axis, 481* 

 Basi-facial axis, 483* 

 Basi-hyal, 71* See Skull 

 Basi-occipital, 72* See Skull 

 Basi-pterygoid processes, of Birds, 399, 



400 



Basis cranii, 69 See Skull 

 Basi-sphenoid, 72* See Skull 

 Basi-temporals, 361 

 Basking sharks, 173 ; 



Bates, H. W., 644 f 



Bats, 458, 477, 485 See Chiroptera 

 Bde/lostoma, 129, 130, 132, 133 

 Bdellostoma forsteri, 130 

 Beak in Teleostomi, 209 

 Beak of pigeon, 351 : Neornithes, 392 

 Beaked whales, 451 

 Bear, 475, 514, 515, 536, 550 

 Beavers, 457, 475, 515 

 Bee-eaters, 389 

 Bellonius, 629 

 Bdodon, 343 

 Beneden, E. van, 648 

 Benthos, 600 

 Biceps muscle, 256 

 Bicipital groove, 427 

 Bile, 81 



Bile ducts, 82 See Liver 

 B.iogenesis, 631 

 Birds See Aves 

 Blackbirds, 389 

 Bladder, urinary, of Craniata, 113: Trout, 



200 : Teleostomi, 223 : Rabbit, 444 : ' 



Mammals, 550 

 Blainville, 641 



Blastocoele, of Awidia, 17 % 



Blastula, .of Anyjhioxus, 50, 51 

 Blind-snakes, 339 

 Blind-worm, 316 

 Blood See Vascular system 

 Blood-corpuscles, 90 See Vascular 



system 



Blood-vessels See Vascular system 

 Boar, 533 

 Boas, 340 



Body-wall, of Craniata, 63 

 Boltenia, 21 

 Bombinator, 281 

 Bones, of Craniata, 72 

 Bonnet, 634 

 Bony pike, 203 

 Botryllus, 22 

 Bottle-nosed whales, 451 

 Boucher de Perthes, 646 

 Bougainville, 636 

 Bovidffi, 453 

 Bower-birds, 414 

 Bow-fin, 204 

 Brachial plexus, 265 

 Brachypodidfc, 450, 469 

 Brachypm Iridac.tylus, 497, 498, 539 



