INDEX 



083 



Apteria, 372*. 409 



Apteryges, 398 



Apteryx, 398. 399. 408, 414, 417, 419. 

 4 I'd, 421, 422. 423, 426, 421), (UK), 

 622 



Apteryx tiHNlrtil/x, 398, 399. 419 



Apteryx ntnntflli. 414. 415. 417 



Apteryx owcni. 420 



Aptornis, 403, 413, 417, 600, 622 



Aqueduct of Sylvius, 99* 



Aqueductus vestibuli, 144, 158, 174 



Aqueous chamber, of Eye, 108* 



Aqueous humour, 108* 



Aqnilft, 403, 423 



Aquinas, Thomas, 654 



Ara, 404, 416 



Arachnoid membrane, 100 



Arbor vitas, of Rabbit, 458* 



Arboreal faiuia, 617* 



Archseoceti, 586 



Archceohyrox, 587 



Archceopteryx, 397, 405, 430, 619 



Archceopteryx lithographica, 405, 406. 

 407, 430, 619 



Archceopteryx siemensii, 407 



Archseornithes, 397*, 405 



Archenteron, 280*. 281 



Archipallium, 561* 



Archipterygium, 103*, 250 



Arcijera, 285* 



Arctomys marmot, 617 



Ardea,'4(M, 409. 410 



Area opaca, 352, 424 



Area pellucid a, 352, 424 



Area vasculosa, 426 



Argentea, 206*, 207, 208 



Aristotle, 647 



Armadillos, 465, 476, 484, 508, 509. 

 510, 511. 512, 513, 516, 547. 579, 5S5 



Arteries, 89, 90 See Vascular system 



A rthrodira, 252 



Articular, 77, 79* See Skull 



Artiodactyla, 4(is*, 487, 521, 522, 526, 

 527, 547, 558 



Arvicola, 575 



Arytenoids, of Lizard, 318 : Reptilia, 

 347 : Pigeon, 385 : Rabbit, 453 



ASCIDIA, 14 : Body-wall and Atrial 

 cavity, 14, 15 : Pharynx, 16, 17, 18 : 

 Enteric canal, 18 : Blood system, 

 18, 19 : Nervous system, 19, 20 : 

 Neural gland, 19, 20 : Excretory 

 system, 20 : Reproductive system, 

 20 : Systematic position, 23 : De- 

 velopment, 30 



Ascidia mammillata, 35 



Ascidiacea, 22*, 30 



Ascidiae composite, 22*, 24, 25 



Ascidise simplices, 22*, 24 



Ascidians, 13 



Ascidiidce, 23 



Aspredo, 234 



Asses, 468, 580 



Astacopxix. Ho;.' 



Astacus, 601 



Asteriscns. 208*. 209 



Astragalo -scaphoid, 344 



Astragalus, 259. 266, 344, 444 See 

 Limb -skeleton 



Astroscopus, 226 



A teles, 473 



Athecata, 359 



Atlas, 306* 



Atrial aperture, 14*, 15 



Atrial canals, of Larvacea, 23 



Atrial cavity, of A sciilin, 14, 15, 16, 17 



Atrial lobes, of Dolinlnm, 26 



Atrial siphon, 15, 17 



Atriopore, of Amphioxiift, 43, 44, 47, 49 



Atrium, of Ascidin. 1 6, 35 : Amphioxus, 

 47, 49 



Auditory capsules, of Craniata, 73* 



Auditory foramina, 75 



Auditory nerve, 101, 102 See Brain 



Auditory organ See Ear 



Auditory ossicles, 441* See Ear 



Auditory region, of Craniata, 74* 



Augustine, 654 



Auks, 403, 422, 429, 431 



Auricle, 88 See Heart 



Auricular appendix, 449 



Australian region, 611* 



Autostylic skull, 76*, 185 



Aves, 64, 303, 366 : Example, 367 : 

 Distinctive characters and classi- 

 fication, 395 : General organisation, 

 405 : Archseornithes, 405 : External 

 characters of Neornithes, 407 : 

 Pterylosis, 409: Skeleton, 411: 

 Myology, 420 : Digestive organs, 



420 : Respiratory and vocal organs, 



421 : Circulatory organs, 421 : Ner- 

 vous system and sense organs, 421 : 

 Urinogenital organs, 422 : Develop- 

 ment, 422 : Distribution, 429 : 

 Ethology, 430 : Phylogeny, 430 



Avocet, 408 

 Axis, 306* 



Axis, basi-cranial, 498* 

 Axolotl, 284, 301, 302 

 Aye-Ayes, 472 



Azygos veins, of Rabbit, 452 : of 

 Urodela, 297, 298 



B 



UBOONS, 473, 499, 538, 539 

 Baer, K. E. von, 659 

 Bahena, 466 

 Balcenidcp, 466 

 Balcenoptera musculus, 51 



