INDEX 



82! 



Blood pressure. 165. 197, 220. 221. 252 



Blood vessels in frog's foot, 219, 699 



Blubber. 764 



Blue-green algae, 78, 79 



Bone, 114. 115. 117, 118, 140, 143, 145 



Bone marrow, 118, 119, 135, 145 



Bosmina. 78, 227 



Bower birds. 2 



Bowman. W.. 253 



Bowman's capsule. 253 



Brachial plexus. 291 



Brachiopoda, 533. 547-549. 797 



Brain. 299-302 



amphibia. 301, 373, 697 



bird. 301, 743 



fish, 299. 301, 669, 673 



frog, 705 



human. 292, 304-307, 308 



mammal. 301 



reptile. 301 

 Branchiopods. 587 

 Branchiostoma lanceolatiis, 665 

 Breathing. 237. 238, 239 

 Bright, R., 251 

 Bright's disease, 251 

 Brittle star. 652, 653 

 Bronchial tubes, 233, 235, 236, 239 

 Bronchioles, 233-235 

 Brontosaurus. 783 

 Brood pouches, 103, 756, 759 

 Broussais, F. J. V., 571 

 Brown, R.. 24 



Brownian movement, 23, 24 

 Bryophyta. 796 

 Bryozoa, 533. 543-547. 797 

 Bufo calaniila, 682 



empusus, 682 

 Bugula. 544, 545, 546 

 Bulimus, 51 1 

 Bullfrog, circulation. 700 



tadpole. 688 

 Butterfly. 176 



monarch. 596 



Caecilians. 681, 687 



Caecum, 194, 674, 786 



Calciferol, 170 



Calciferous bodies, 559 



Calcium, 139. 140, 145, 174. 197-200, 



212, 264, 266, 585, 636, 637, 794 

 Calenus, 587 

 Callibaetis, 323 

 Callinectes, 588 

 Cambarus, 575, 585 

 Cambium, 60 

 Camponotus, 592 

 Cannon, W. B., 265 

 Capillaries, 197, 201, 216, 221, 232, 235, 



236, 246, 248, 249, 699 



Carapace, 578, 724, 725 



Carbohydrates. 29, 55. 65. 77. 168-170. 



188, 190. 227, 252 

 Carbon cycle, 3, 77, 82 

 Carbon dioxide, 10, 57, 61, 77, 163, 224- 



227. 236. 239 

 Carboniferous period, 600 

 Cardiac muscle. 121, 122 

 Cardiac valve, 184, 696 

 Carnivora. 172, 180, 762, 799 

 Carotene, 56, 417, 426. 427. 433, 691 

 Carotenoid pigments, 323, 324, 328, 329, 



605 

 Carotid arches, 701 

 Carpals, 148, 150, 151 

 Carpenter ants, 592 

 Carpus, 148, 150, 151, 693 

 Cartilage. 114-117, 139, 143 

 Casinogen. 186 

 Castration. 275. 343-345, 407 

 Cat. 753-754, 756 

 Catadromous, 680 

 Cataracts, 328 

 Caterpillars. 598, 599 

 Cell differentiation, 38 

 Cell division, 36. 39, 43 

 Cell membrane, 33, 35, 53 

 Cell wall. 33, 37, 53 

 Cells, 1. 17, 23, 32, 33-35, 65 



animal, 33, 36 



origin of, 33 



phases of, 38 



plant, 33. 42. 53 



polarity of, 38 



reproduction of, 34, 40 



shapes of, 37 



sizes of, 37, 38 



{See also specific cells) 

 Cellulose, 29, 30, 53 

 Cenozoic era, 779 

 Centipedes, 622. 663, 798 

 Centrioles. 36, 39. 42, 46 

 Centrolecithal. 362 

 Centromere, 39, 41 

 Centrosome, 33, 35, 36, 39, 40, 42 

 Centrosphere, 36 

 Centrum, 142 

 Cephalochorda, 664 

 Cephalopoda, 631, 633. 634, 645. 648 



798 

 Cephalothorax, 575, 578, 624 

 Ceratium. 78, 435 

 Cerci, 604 



Cerebellum, 270, 302-305, 705, 707 

 Cerebral cortex, 304, 306 

 Cerebral hemorrhage or "stroke," 307 

 Cerebral lobes, 706 

 Cerebratiilus herciileus, 534, 535 



lacteiis, 534 

 Cerebrospinal fluid. 301 

 Cerebrum, 270, 294, 303, 306, 307, 705 



