GENERAL INDEX. ABD ABDOMINALES, character of, i. 10 Brama Absorbent system of Aves, ii. 178 Hæmatocrya, i. 455 Acanthias, gills of, i. 486 vertebral column, i. 32, 35 Acanthurus, teeth of, i. 377 Acerina, pyloric appendage and pancreas Acerotherium incisivum, characters of,ii.286 Acetabulum in Man, ii. 574 Acipenser brevirostris, dermoskeleton of, Acipenser scypha, dermoskeleton of, i. 196 alimentary canal, i. 411, 415 myelencephalon, i. 274 veins, i. 468 AMB Aglossa, characters of, i. 15 mammary glands, iii. 780 vertebral column, ii. 494 Air swallowed by some fishes, i. 255 of Aves, ii. 211 Air-passages of Aves, ii. 217 osseous system, ii. 17, 21, 24, 25 osseous system, ii. 21, 25, 41, 56, Alcedinidæ, characters of, ii. 11 lower larynx, ii. 221 Alces, characters of, i. xxxii larynx, iii. 594 skull, ii. 478 teeth, iii. 351 AMB Amblyopsis spelaus-continued. myelencephalon, i. 275, 277, 284, 287 organ of sight, i. 331 vertebral column, i. 37, 38 locomotion, i. 247 alimentary canal, i. 422 heart, i. 474 Ammocætes. See Petromyzon. Ammodytes, alimentary canal of, i. 417 ANT Anas fusca, lower larynx of, ii. 220 Anas moschata, scent-glands of, ii. 230 Anas sandvicensis, external sexual charas Anas semipalmata, lower larynx of, ii. 226 Anatidae. See Lamellirostratæ Ancitherium, characters of, ii. 284; iii. Androdon, sexual characters of, ii. 258 skull, i. 124 teguments, i. 546 veins, i. 468 Antechinus, prosencephalon of, iii. 104 pyloric appendages and pancreas, i. 430 Anthias, changes of, accompanying growth, Anthochæra, skull of, ii. 57 Anthracotherium, characters of, ii. 286 Antibrachial bones of Carnivora, ii. 507 634 horns, iii. 624, 625 Apistes, gills of, i. 480 Aptenodytes, characters of, i. 25; ii. 9 osseous system, ii. 16, 17, 25, 31, 41, Apterichthys cæcus, organ of smell of, i. 331 Apteryx-continued. ART alimentary canal, ii. 162 generative system, ii. 248, 256, 258 muscular system, ii. 85, 91 organ of sight, ii. 140 osseous system, ii. 18-22, 30, 34-36, Aptornis, characters of, ii. 13 osseous system, ii. 43, 48, 50, 58, 75, Aquila, characters of, ii. 12 alimentary canal, ii. 158, 171 liver, ii. 176 lower larynx, ii. 220 myelencephalon, ii. 119, 121 osseous system, i. 25; ii. 21, 32, 36, Arbor vitæ, Fishes, i. 275 Archegosaurus, skull of, i. 158 Archencephala, characters of, ii. 247; iii. Archeopteryx, characters of, ii. 13 restoration of, ii. 586 scapular arch and limbs, ii. 74 Arctictis (syn. Ictides) albifrons, alimentary lymphatics, iii. 508 vertebral column, ii. 491 Arctocephalus australis, skull of, ii. 496 organs of generation, male, iii. 654 generative system, ii. 257 Ardiscosoma, alimentary canal of, i. 445 Argyreiosus vomer, skull of, i. 108, 116, 154 Arius, air-bladder of, i. 491 Armadillo, alimentary canal, iii. 446 bones, ii. 393, et seq. Fishes, i. 488 Mammalia, iii. 532 Reptiles, i. 509, 516; iii. 537 AVE Auchenia lama-continued. prosencephalon, iii 122 thyroid gland, iii. 565 vertebral column, ii. 460 Auchenia vicunia, blood of, iii. 515 Auchenipterus furcatus, air-bladder of, i Aulostomus fistularia, skull of, i. 107, 109. Australian, skull of the, ii. 563 Auxis Cybium, air-bladder of, i. 493 arteries, i. 490 Aves, characters of the class, i. 5 I. Natatores, ii. 9 brain, iii. 118 development, ii. 118, 119 varieties in weight and size, ii. 121 blood, ii. 184 blood-discs, ii. 184 heart, ii. 185 hæmorrhoidal, ii. 206 vena portæ, ii. 206 splenic, ii. 206 gastric, posterior, ii. 207 pancreatic mesenteric, ii. 207 tibial, ii. 207 peroneal, ii. 208 digestive system, ii, 145 beak, ii. 145 tongue, ii. 151 muscles, ii. 153 mylo-hycideus, ii. 153 salivary glands, ii. 154 alimentary canal, ii. 156 dilatation of the faucial ingluvies, or crop, ii. 158 ovarium, ii. 246 development of the ovarian ovum, ii. 246-250 mesometrium, ii. 249 fecundation in Birds, and struc- periods of incubation, ii. 257 locomotion, ii. 112 progression on land, ii. 112 velocity of flight, ii. 115 muscular system, ii. 84 general characters, ii. 84 vertebræ, muscles of the, ii. 84 |