698 



INDEX 



Alveoli, 459 



Alveoli, of lung, 467 



Alveus, 578* 



Alytes obstetricam, 308, 312 



Amarcecium, 23 



Ambiens muscle, 395 



Amblyopsis spelceus, 637 



Amblypoda, 608 



Amblystoma, 293, 299, 303, 311, 312 



American Ant-eaters, 479, 497, 525, 526, 

 527, 528, 529, 564, 598 



Amia, 219, 220, 225, 228, 229. 230, 234, 

 236, 238, 240, 241, 242 



Amia calva, 219 



Ammoccetes, 137* 



Amnion, of Reptiles, 365: Birds, 440, 

 441 : Rabbit, 475 : Mammals, 591 



Amniota, 313* 



Amphibia, 66, 264 : Example, 264 : Dis- 

 tinctive characters and classification, 

 292 : General organisation, 294 : Ex- 

 ternal characters, 294 : Exoskeleton, 

 298 : Endoskeleton, 298 : Myology, 



304 : Digestive organs, 304 : Respira- 

 tory organs, 304 : Circulatory organs, 



305 : Nervous system and sense organs, 

 308 : Urinogenital organs, 308 : Repro- 

 duction and development, 308 : Distri- 

 bution, 312 : Mutual relationships, 312 



Amphibolous, 362, 366 



Amphicoelous, 146* 



Amphioxides, 44, 60, 64 



Ampkioxididce, 44 



AMPHIOXUS, 44 : External features, 45 : 

 Body- wall, 46 : Skeleton, 47, 46, 49 : 

 Digestive and respiratory organs, 46, ' 

 47, 49 : Atrium, 49 : Ccelome, 50 : 

 Blood-system, 51 : Excretory organs, 

 52, 53 :* Nervous system, 53, 54, 55 : 

 Sensory organs, 54, 55 : Reproductive 

 organs, 55 : Development, 56, 57, 58, 

 59, 60, 61, 62, 63, 64 : Distribution, 64 : 

 Distinctive characters, 64 : Affinities, 

 65 



Amphipnous, 235 



Amphisbaenians, 334, 342, 347, 358, 365, 

 369 



Amphistylic, 78*, 173 



Amphitherium, 640 



Amphiuma, 293, 295, 296, 305, 308, 312 



Amphiuma tridactyla, 295 



Ampullae, 115,* 179 See Ear 



Ampullary canals, 179 



Anabas scandens, 235 



Anacanthini, 221*, 226, 228, 243 



Anapophyses, of Rabbit, 448* 



Anas, 416, 421, 428, 429, 626 



Anas boschas, 429 



Anatomical evidence of Evolution, 644 



Anchinia, 23 



Anchovy, 220 



Ancylopoda, 608 



Angler, 226 



Anguidce, 369 



Anguis, 339, 342, 362, 369 



Angular, 206 



Angular process, of mandible, 454 See 



Skull 



Angulo-splenial, 270, 269 

 Ankylosis, 201* 



Annular cartilage, of Lamprey, 127 

 Annulus ovalis, 463 

 Annulus tympanicus, of Frog, 271, 286 

 Anomalurus, 490, 506 

 Anomodontia, 336 

 Anser, 416, 421, 428 

 Anseres, 416, 435, 442 

 Ant-eater, American, 479, 497 

 Ant-eater, Banded, 494 

 Ant-eater, Scaly See Manis 

 Ant-eater, Two- toed, 498 

 Ant-eaters, 479 



Ant-eaters, Cape, 479 See Orycteropus 

 Antelopes, 482, 501, 598 

 Anterior clasper, 190 

 Anterior commissure, 212 

 Anterior vertebral plate, 172*, 174 

 Anihropithecus, 487 See Chimpanzee 

 Anthropoidea, 486* 

 Anthropopithecus troglodytes, 555 

 Antiarcha, 263, 264 

 Antibrachium, 314* 

 Antitrochanter, 392* 

 Antlers, 501, 502 

 Antorbital, 175* 

 Anura, 293*, 294,296, 297, 298, 300, 302, 



303, 304, 306, 308, 309, 312 

 Anwiella, 38 

 Aorta, 92: Amphioxus, 51 See Vascular 



system 



Aortic arches, 95 See Vascular system 

 Apatornis, 414 

 Apes, 508 



Apical plate, of Tornaria, 8, 9 

 Aphanapteryx, 625, 642 

 Appendicularia, 21, 22, 24, 25, 29, 30, 31, 



42,43 



Appendicidariidce, 22 

 Appendix, vermiform, of Rabbit, 462 

 Aptenodytes, 414 

 Apteryges, 411 

 Apteria, 384*, 422 

 Apteryx, 411, 430, 433, 434, 435, 436, 



439, 442 



Apteryx australis, 411, 412, 421, 432 

 Apteryx mantelli, 427, 428, 430 

 Apteryx oweni, 433 

 Aptornis, 416, 426, 430, 620, 642 

 Aqueduct of Sylvius, 100* 

 Aqueductus vestibuli, 148, 163, 179 

 Aqueous chamber, of Eye, 112* 

 Aqueous humour, 112* 

 Aquila, 416, 428, 436 

 Aquinas, Thomas, 675 



