698 



INDEX 



Alveoli, 459 



Alveoli, of lung, 467 



Alveus, 578* 



Alytea obstetricans, 308, 312 



Amarmcium, 23 



Ambien8 muscle, 395 



Amhlyopsis spelctus, 637 * 



Amblypoda, 608 



Amhlystoma, 293, 299, 303, 311, 312 



American Ant-eaters, 479, 497, 525, 626, 

 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 

 duclion and development, 308 : Distri 

 bution, 312 : Mutual relationships, 312 



Amphibolurus, 362, 366 



Amphica-lous, 146* 



Amphioxides, 44, 60, 64 



Amphioxididm, 44 



Amphioxcs, 44 : External features, 45 : 

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

 Digestive and respiratory organs, 46, 

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

 Blood-system, 61 1 Excretory organs, 

 52, 63 : Nervous system, 53, 64, 56 : 

 Sensory organs, 64, 55 : Reproductive 

 organs, 55 : Development, 66, 67, 58, 

 69, 60, 61, 62, 63, 64 : Distribution, 64 : 

 Distinctive characters, 64 ; Affinities, 

 65 



AmphipnouH, 235 



Amphisbsinians, 334, 342, 347, 358, 365, 

 369 



Amphistylic, 78*, 173 



Amphitherimn, 640 



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



Amphmma tridactyla, 295 



AmpullEe, 115,* 179— See Ear 



AmpuUary canals, 179 



Anabas scandens, 835 



Anaoanthini, 221*, 226, 228, 243 



Anapophyses, of Rabbit, 448* 



Aims, 416, 421, 428, 429, 626 



Anas boschas, 429 



Anatomical evidence of Evolution, 644 



Anchinia, 23 



Anchovy, 220 



Anoylopoda, 608 



Angler, 226 



Anguidce, 369 



Anguis, 339, 342, 362, 369 



Angular, 206 



Angular process, of mandible, 454— See 



Skull 

 Angulosplenial, 270, 269 

 Ankylosis, 201* 



Annular cartilage, of Lamprey, 127 

 Annulus ovalis, 463 

 Armulus tympanicus, of Frog, 271, 286 

 Anomaluriis, 490, 506 

 Auomodontia, 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 

 Anthropithecus, 487 — See Chimpanzee 

 Anthropoidea, 486* 

 AnlTiropopithecus troglodytes, 665 

 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 

 Appe?idiculariidce, 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 mantdli, 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 



