498 



INDEX 



Aspidonectes 



Assimilation 



Astacus fluviatilis ...... 



Asterias 



Asteroidea 



see Starfish. 



Astraea . 76, 77, 



Astrophyton 



Atavism 



Ateles 



Atlas 



Attacus pavonia-major 



Auger shell 



Auk 



Aurelia 



Aves . m 



Avocet 



Axis . 



Axolotl . 



. 157 

 . 245 

 . 54 



90 



3O, 32 



. 91 

 . 428 

 . 317 

 . 354 

 . 73 

 . 98 

 . 170 

 . 73 

 141, 159 

 . 170 

 . 354 

 48 



BABIRUSA v 



Baboon 



Badger 



Balaena 



Balaenoptera 



Balanoglossus . 



232 



199 



190 



171,311 



228 

 140, 141, 142, 113 



Balanus ......... 102, 58 



Bandicoot .......... 180 



Barb ............ 346 



Barbule ........... 346 



Barnacle ..... 258, 423, 428, 57 



see Cirripedia. 

 Barn owl .......... 155 



Basket fish .......... 91 



Bat ... 192, 370, 401, 184, 185, 378 



Batrachian, see Anura, Frog, Toad. 



Bear . . ..... 190, 373, 401, 325 



Beaver .... 191, 344, 397, 398, 182 



Bedbug ........... 112 



Bee, 119, 250, 280, 328, 399, 406, 417, 278 

 alimentary canal of ...... 24O 



head of ........ 22O, 352 



instinct of ....... 397,398 



muscle in ......... 365 



respiration in ...... 321, 327 



see Hymenoptera, Insecta. 

 Beetle ..... 116, 117, 254, 369, 64 



alimentary canal of ...... 239 



eye of ........... 353 



see Coleoptera, Insecta. 

 Belemnites .......... 135 



Bellbird ........... 400 



Beroe ............ 81 



Bibio febrilis ......... 324 



Bile ............ 295 



Biology ........... 11 



Bird, 159, 163, 250, 354, 356, 405, 406, 407, 



410, 422, 426, 427, 429 



alimentary canal of ...... 286 



auditory passage of ...... 391 



BIRD 



beak of 344 



brain of 380, 381, 384 



blood of 303 



bones of 346 



circulation in .... 314, 316, 273 



eggs of 419 



eyes of 395 



feathers of 337 



flight of 370 



instinct of 397 



intelligence of 398 



jaws of 263 



locomotion of 375 



lung of 279 



muscle in 364, 366 



parts of 139 



pelvic arch of 356 



respiration in 323-327 



scales of 344 



skeleton of 346 



temperature of 327 



vocal organs of ." 400 



wings of 369 



Bittern 165 



Bivalves 256, 341, 296 



see Clam, Lamellibranch, Oyster. 



Blackbird 176 



Blastoderm 417 



Blastula 410, 361 c 



Blood . . 301, 302, 306, 308, 309, 316, 318 



corpuscles 259 



of fishes 147 



of frog 26O-262 



Blubber 182 



Bluefish 12O 



Boa constrictor . . . 255, 275, 348, 235 



Bombus 119 



Bombyx . 116 



Bones .... 234, 346, 356, 2O3, 204 



of human skull 2O5 



of the mammalian skull .... 351 



Bos taurus 315 



Bot fly 1 13, 256 



Brachiopoda ..... 82, 86, 43, 44 



Brachycephalic 470 



Brain 147, 380, 335-342, 348 



Brain coral 31 



Branchipus 101 



Branta canadensis ........ 146 



Brittle star 91 



Bronchi 326 



Bubble shell 180, 91 



Buccinum 129,58,88,227 



Budding 402 



Bufo 153 



see Toad. 



Bugs 112 



see Hemiptera. 

 Bulimus 118, 93 



