866 



GENERAL INDEX. 



AYE 



Aves air-passages continued. 



larynx, lower, ii. 220 

 sympathetic system, ii. 127 

 tegumentary system, ii. 231 



composition of the tegument, ii. 



231 



corixim, ii. 231 

 rete mucosum, ii. 231 

 epiderm, ii. 232 

 scales of the legs, ii. 232 

 appendages of the tegument, ii. 



233 

 feathers, ii. 233 



development, ii. 236 

 moulting, ii. 241 

 urinary system, ii. 226 

 adrenals, ii. 229 

 kidneys, ii. 226 



number, ii. 226 

 size, ii. 227 

 varieties, ii. 227 

 lobes, ii. 227 

 texture, ii. 228 

 colour, ii. 228 

 tubuli uriniferi, ii. 228 

 arteries and veins, ii. 228 

 ureter, ii. 228 

 cloaca, ii. 229 

 spleen, ii. 230 

 Axolotes marmoratus, organ of hearing of, 



i. 347 



pectoral limb, i. 170 

 skulls, i. 87 

 Axolotes (syn. Siredon), female organs of 



generation of, i. 583 

 gills, i. 514 

 heart, i. 506 

 larynx, i. 527 

 skull, i. 87 

 teguments, i. 552 

 Aye-aye, bones of, ii. 513, et seq, 

 muscles, iii. 52 

 salivary system, iii. 405 



BADGER, bones of, ii. 501 

 Bagrus filamentosus, air-bladder of, 

 i. 491, 492 



Balaena australis, skull of, ii. 423, 426 

 Balsena longimana, skull of, ii. 426 



limb-bones, ii. 428 

 Balsena mysticetus, characters of, ii. 280, 296 



alimentary canal, iii. 452 



brain, iii. 143 



development, iii. 732 



limb-bones, ii. 428, 429 



mouth, iii. 383 



nerves, iii. 152 



teeth, iii. 278 



thymus gland, iii. 568 



vertebral column, ii. 415, 416, 418 

 Balseniceps, beak of, ii. 148 



skull, ii. 61 



BAT 



Balsenidae, characters of, ii. 296 

 larynx, iii. 587, 588, 589, 590 

 lungs, iii. 578 

 nerves, iii. 152 

 prosoncephalon, iii. 119 

 skull, ii. 426 

 teeth, iii. 278, 279 

 vertebral column, ii. 415 

 Balsenoptera, alimentary canal of, ii. 453, 



454 



arteries, iii. 546 

 brain, iii. 143 

 larynx, iii. 587 

 limb-bones, ii. 426, 428 

 lungs, iii. 579 



organs of generation, male, iii. 659 

 organs of sight, iii. 249 

 organs of touch, iii. 189 

 skull, ii. 419 

 spleen, iii. 561 



teeth, iii. 265, 274, 277, 278, 279 

 vertebral column, ii. 418 

 Balistes, alimentary canal of, i. 421 

 dermoskeleton, i. 193, 194 

 nerves, i. 306 

 skull, i. 107 

 teeth, i. 377, 378, 382 

 Balistini, characters of, i. 11 

 alimentary canal, i. 417 

 Bassaris astuta, limb-bones of, ii. 510 

 Bat, skeleton of a, ii. 278. See Vespertilio 

 Bathyergus, alimentary canal of, iii. 422, 424 

 limb-bones, ii. 381 

 mammary glands, iii. 776 

 mouth, iii. 399 



organs of generation, female, iii. 687 

 organ of hearing, iii. 231 

 organ of sight, iii. 246 

 spleen, iii. 560 

 teeth, iii. 265, 269, 296 

 thyroid gland, iii. 565 

 Batides, characters of, i. x. 13 



teeth, i. 381 



Batrachia, absorbent system of, i. 458 

 adrenals, i. 543 

 alimentary canal, i. 437 

 arteries, i. 516 

 blood, i. 501 

 brain, i. 290 

 characters of, i. 15 



fecundation, i. 614 

 oviposition, i. 616 

 development, i. 619 

 generative system, i. 576 

 male organs, i. 576 

 female organs, i. 583 

 generative products and development, 



i. 591 



ovulation, i. 592 

 gills, i. 512 



hearing, organs of, i. 347 

 heart, i. 507 

 ichthyomorphous, i. 215 



