Index - 703 



Cervix, 387, 388, 394 

 Cestui dea, 639-41 

 Cetacea, 676 

 Chance, B., 106 

 Chargaff, E., 521 

 Chase, M. W., 523 

 Chelonia, 671 



Chemical activity of water, 72-75; electrolytes 

 and nonclectrolytes, 73; hydrogen and hydroxy] 

 ions, 73; in relation to dissociation, 72-73; salts, 

 acids, leases, and respective ions, 74-75; solu- 

 tions, acid, basic, and neutral, 73-74 

 Chemical combinations, mixing vs., 69 

 Chemical composition of protoplasm, 6, 65, 71-90; 

 organic vs. inorganic substances, 71; water, 71- 

 75 

 Chemical energy, 66 

 Chemosyn thesis, 167, 181 

 Chemotrophic nutrition, 181-82 

 Chemolropisms, 264 

 Chestnut blight, 604 

 Chilopoda, 655-56 

 Chiroptera, 675 

 Chitons, 649, 650, 651, 652, 653 

 Chlamydomonas, 61, 167, 596, 597 

 ChloreUa, 164, 168 

 Chlorenchyma, 240, 243 

 Chlorophyll, 28, 159-60; molecular structure of, 



159 

 Chlorophytes (green algae), 596-97 

 Chloroplasts, 28, 29, 158, 159-60, 178, 243, 596. 



598 

 Cholecystokinin, 314 

 Cholesterol, 83, 313 

 Cholinesterose, 193 

 Chondriehlhyes, 667, 669 

 Chondrin, 289 

 Chondroblasts, 289 



Chordata, 664-76; Cephalochordata, 665-66; 

 characteristics of, 664; classes of vertebrata, 

 668-76; Hemichordata, 665; interrelations of, 

 560; lower, 664-66; Urochordata, 665; Verte- 

 brata, 664, 666-76; vertebrate characteristics, 

 666-68 

 Chorion, 390, 391 

 Chroma l in. 22 



Chromatography (see Paper chromatography) 

 Chromatophores, 195, 443 

 Chromidia, 16, 18 

 Chromosome maps, 495, 496 

 Chromosome numbers, 50, 55, 490 

 Chromosomes, 7, 17, 22, 23, 41, 47: free assort- 

 ment of, during meiosis, 479-80; importance 

 of, 49-50; localization of the genes in, 493-95; 

 in man, 507-08; sex, 497-98, 507; theory of 

 heredity, 475 

 Chrysophyta (golden-brown algae), 597-98 



Chyme, 308 



Chymotrypsin, 102. 108, 312 



Cilia, 30, 129, 195, 197 



Ciliary fibrils, 30 



Ciliary movement, 195-96 



Ciliata, 627-28 



Ciliophora, 625, 627-28 



Circulation, capillary, 329; lymphatic, 334; single 

 vs. double, 330-31. See also Circulatory system 



Circulatory system, 318-37; arteries of human 

 body, 331-32; blood, 320-26; blood, lymph, 

 and tissue cells, relationship between, 329-30; 

 closed, 664; development of, 332; direct circu- 

 lations, 318-19; heart, the vertebrate, 326-29; 

 hepatic portal system, 332-33; indirect circula- 

 tions, 319-20; lymph, 333-37; single vs. double 

 circulation, 330-31; veins of human body, 

 331-32 



Cistudo Carolina, 576 



Clams, 649, 650, 652, 653 



Class, taxonomic category, 593 



Classification, evolutionary basis of, 553-54 



Clear cytoplasmic matrix, 23 



Cleavage, 198-99, 277 



Cleavage furrow, 45, 47 



Clitellum, 382 



Cloaca, 383, 384 



Clonorchis sinensis, 638 



Closterium, 167, 168, 170 



Coagulation of blood, 323-25 



Cobalamin, 349 



Cocci, 173, 176, 602 



Coccyx, 554 



Cochlea, 425, 426 



Coelenterata, 369, 593, 630-34; Anthozoa. 633-34; 

 characteristics of, 630-32; classes of, 632-34; 

 Hydrozoa, 632-33; phylogeny of, 634; Scy- 

 phozoa, 633 



Coelom, 278-80 



Coelomic cavity. 295, 389 



Coenzyme A, 153-55 



Coenzymes, 104, 346, 352 



Colactor, 104, 146 



Cohen, S. S., 523 



Colchicine, 507 



Coleoptera, 658 



Colloidal size range of protoplasm, 91-92 



Colon (large intestine), 296, 297, 311, 314-16; 

 movements of, 315-16 



Colonies, incipient, 66; permanent, 56; true, 55 



Color blindness, 499 



Colorless parenchyma, 243, 245, 246 

 Combustion, nature of, 13 

 Comparative anatomy, evolution and, 554-56 

 Compounds, acceptor, 145; high-energy phos- 

 phate, 143-44; organic, 77 

 Concentration, 114 



