926 



INDEX 



Blindworm. 553 



Blister beetle, 322 

 Blood corpuscles, 107 

 matching, S83 

 white cells, 513 

 Blubber, 634 

 Blue baby, 664 

 crab, 282 

 darter, 589 

 Bluebirds, 595 

 Boar, wild, 632 

 Bobcat, 629 

 Bobolinks, 595 

 Body louse, 738 

 Boidae, 556, 557 

 Boll, Jacob, 48 

 Bombyliidae, family, 330 

 Bonellia, 214, 215 

 Bonitos, 454 



Bonnethead shark, 422, 439 

 circulatory system, 433 

 Book lice, 333 

 scorpion, 266 

 Bot fly, 747 

 Botalius, duct of, 491 

 Botaurus lentiginosus, 587 

 Botflies, 330 



Bovidae, family of cattle, 630 

 Bowfln, 447 



Bowman's capsule, 398, 650 

 Box-elder bug, 318 

 Brachial artery, 506 

 Brachiolaria larva, 232, 234 

 Brachiopoda, 27, 187 

 Brachium, 495, 563 

 Brachypephus magnus, 302 

 Brain of frog, 526 



ventricles, 526 

 Branchial arches, 465 

 Branchiata, 264 

 Branchiopoda, order, 264, 283 

 Branchiostegal membrane, 463 

 Branchiostegites, 268 

 Branchiostoma, 361, 368 

 Branchipus, 264 



Breeding habits of amphibia, 479 

 Bremidae, family, 338 

 Breviciptidae, family, 486 

 •'Bristle jaws," 193 

 Brittle star, 218 

 Bronchi, 566, 604, 649 

 Bronchioles, 566, 604 

 Brontosaurus, 546 

 Brown, Robert, 49 

 Brownian movement, 55 

 Brucophagus funebris, 33 4 

 Bryobia praetiosa, 298 

 Bryozoa, 27, 184, 185 

 Bubo virginianus, 593 

 Buccal cavity of frog, 500 

 Buccopharyngeal respiration, 514 

 Buffalo, 631, 632 

 Buffon, 44 

 Bufo americanus, 538 



marinus, marine toad, 473. 478 



punctatus, 474 



toad, 485 



valliceps, 485, 487 



woodhousii, 485, 538 

 Bufonidae, family, 485 

 Bugs, 266 

 Bulgula, 184, 185 



Bulimulus dealbatus liquabilis, 239 

 Bullfrog. 473, 497 

 Bullhead, internal structure. 458 



life history and reproduction. 470 



nervous system, 469 



skeleton, 466 



yellow, 457 



Bumblebees, 338 

 Bunchgill, 321 

 Buprestidae, family, 324 

 Bursa, copulatory, 179 

 Bursaria, 71 

 Busycon, 248 



egg capsules, 247 



shell, 771 

 Butterflies, 266, 325 

 Butterfly ray, 424, 425 

 "Buzzard," 588 

 Byssus, 253 



Cabbage-head jellyfish, 138 

 Caddis flies, 200, 321 

 Caeca, 603 



pyloric. 459 

 Caecilianella. 237 

 Caecilians. 472 

 Calciferous gland. 204 

 Calcispongie, class, 120 

 Calendra mormon, 324 

 Calliuectes, blue crab, 282. 772 

 Callorhinus alascanus, fur seal. 029 

 Callus, 691 

 Calorie, 388 

 Calyx, 224 

 Cambarus. 266 



clarkii, 207 

 Camels, 630 

 Campanella. 130 

 Campanularia, 131 

 Campeloma decisum. 247 

 Campodoidae, family. 311 

 Canadian zone. 714 

 Canidae, family. 028 

 Canis gigas. timber wolf. 029 



latrans. coyote. 028 

 Cauon of Morgan, 848 

 Cantharidin. 341 

 Canthon simplex. 335 

 Capillaries, 392 

 Capitophorus potentillae. 320 

 Capitulum. 495 

 Caprella. 204 



Caprimulgiformes, order. ,593 

 Carabidae, 324 

 Carangidae. family. 454 

 Carapace. 208. 578 

 Carbohydrates, 50 

 Carbon cycle, 28 

 Carcharhinus. 439 

 Carcharias, platydon. 422 

 Carcharodon carcharias, 422 

 Carchesium. 72. 73 

 Cardiac chamber. 272 



muscle. 381 



plexus, 528 

 Cardinals, 595 

 Cardo, 305. 345 

 Caiibous, 630 

 Carinatae, 584 

 Carnivora, order, 027 

 Carnivores, aquatic, 629 

 Carotid arch. 505 



gland. 505 

 Carp, 450 



leather. 449 



lice. 284 



scale. 449 

 Carriers. 833 

 Carrion beetles. 324 

 Carunculina texasensis, 248 

 Case flies. 321 

 Cassowaries. 585 

 Castor canadensis, beaver. 024 

 Casuariformes. order, 585 



