INDEX 



619 



Body cavity, 179, 180, 186, 188, 323, 576 



(See also Coelom; Hemocoel) 

 Body changes, 400 

 Body coverings, 385, 484 

 Body divisions, 574-575 

 Body form, 353 

 Body heat, 483 

 Body mass, 215 

 Body plan, 322, 323 

 Body regions, 310 

 Body stalk, 444, 447 

 Body surface in respiration, 468 

 Bog lake, 509 

 Bone, 100, 101, 326, 491 



cell, 31 



corpuscles, 326 

 Bones, 105, 106, 324-326 



dermal, 350 



(See also Skeleton) 

 Bony fishes, 350 

 Bony ganoids, 350, 351 

 Bony labyrinth, 336 

 Book gills, 309, 468 

 Book lungs, 303, 304, 307, 468 

 Boreal region, 535 

 Borers, 290 

 Botany, 41 

 Bottom forms, 511 

 Bouton, 278 

 Bowfin, 351 

 Bowman's capsule, 332 

 Brachiolaria, 210 

 Brachiopoda, 193, 574, 576 

 Brachiopods, 193, 465, 468-470, 541 



section, 193 

 Brachystola magna, 277 

 Brain, 229, 313, 318, 320-323, 334, 546, 575 



alligator, 387, 388 



bird, 408 



fish, 357, 358 



frog, 376, 377 



honey bee, 281 



insect, 282 



lamprey, 342, 343 



mammals, 427 



man, 451 



rabbit, 430 



shark, 346, 347 

 Brain coral, 154 

 Branchial arches, 357, 366, 367 

 Branchial arteries, 345, 346, 366 

 Branchial pouch, 380 

 Branchiostegal membrane, 358, 359 

 Branchiostegal rays, 352 

 Breaking point, 264 

 Breathing, of fishes, 358, 359, 427 

 Breeding, 562, 563 

 Bridges, 527 



Brittle stars, 204, 205, 541 

 Broadbills, 535 

 Bromine, 20 

 Bronchi, 469 

 Brood pouch, 268, 269 

 Brown, Robert, 32 

 Bruner, L., 287 



Brush turkey, 420, 534 

 Bryozoa, 190, 191, 574, 576 

 Bryozoans, 190-192, 465, 468-470, 541 



fresh water, 192 

 Bubonic plague, 294, 448 

 Buccal cavity, 235, 237, 238, 327 



(See also Mouth) 

 Buccal tentacles, 319, 321 

 Budding, 86, 107, 134, 136, 137, 142, 151-153, 



191, 253, 521 

 Buffalo, 440 

 Buffon, 545 

 Bug, 289 



Bugula avicularia, 191 

 Bulbus arteriosus, 347 

 Bull snake, eggs, 394 



head, 390 

 Bullhead, 336 

 Bumble bees, 298 

 Burrowing insects, leg, 279 

 Burrowing owl, 537 

 Bursa, 182, 185 

 Burying beetles, 295 

 Butterflies, 278, 286, 290, 572 



wing, 54 

 Butterfly snails, 224 

 Buttons, pearl shell, 230, 232 

 Byssus, 225 



C 



Caducibranchs, 370, 371 



Caeca, 196, 198, 282, 303, 427, 467, 547 



Cake urchins, 207 



Calcarea, 130, 131 



Calciferous glands, 237 



Calcium, 19 



Calcium metabolism, 492 



Calf, embryo, 548 



Callinectes sapidus, 266 



Calosoma scrutator, leg, 279 



Cambarus, 258 



section, 257 

 Cambarus diogenes, 256 

 Cambarus obesus, 256 

 Cambarus virilis, 257 

 Cambrian period, 309, 539-543, 548 

 Camels, 439, 447, 535, 554 



foot, 435 

 Campodea staphylinus, 284 

 Canal systems, ctenophores, 156 



sponges, 131, 132 

 Canaliculi, 101, 326 

 Canary, 423 

 Canine teeth, 425, 427 

 Cants familiaris. 59 

 Cankerworm, 290 

 Capillaries, 330 

 Capsule, joint, 106 

 Carapace, 255, 388, 401 

 Carbohydrates, 20-21, 34, 35, 39, 482, 492 



absorption, 35 

 Carbon, 19, 20, 486 

 Carbon cycle, 486, 487 

 Carbon dioxide, 36, 37, 43, 330, 486-488, 490 



