704 - Index 



Conduction, main paths of, central nervous sys- 

 tem, 461-0:?: stem, 219 



Conductivity, "one-way," 456-57 



Conductors, 194, 195 



Conifers. 617 



Conjugated proteins. 88-89, 104 



Conjugation tube, 58 



Connective (sustentive) tissues, 288-90 



Conservation of food elements, 173-87 



Constructive metabolism. 133-37, 254; in green 

 plants. 169-70 



Consumers. 587, 588, 589 



Contractility, 91 



Contractions, cell surface. 48; gradation of, 435; 

 mechanism of, fine strut lure el. 437-39; process 

 ol. chemical aspects, 435-36; single twitch, 

 433-34; tetanus. 434-35 



Copulation, 274, 381. 382, 386 



Corallina, 600 



('iiriilliiini , 633 



Corals. 633-31 



Corn smut. 607, 610 



Corpora allala. 414 



Corpora cardiaca, 414, 417 



Corpora cavernosa, 385 



Corpus lutetim, 388, 101, -111 



Corpuscles f.vrp Platelets; Red corpuscles; White 

 corpuscles) 



Cortex, 243, 247, 248, 406; adrenal. 407-08: cere- 

 bral, impulses in. localizataion of, 164 



Corticotropin!!, 410 



Cortin. 107 



Cortisol. 407 



Cotyledons, 222-24, 230 



Cowper's glands, 385 



Cranial nerves, 461, 462 



Craniata, 668 



Craniospinal nerves, 460 



Cranium. 458 



Crenation. 120 



Cretaceous period. 563, 565 



Cretinism. 346, 404 



Crick, F. H. C, 135, 521, 522, 526, 528 



Crinoidea, 664 



Cristae, 28 



Crocodiiia, 671 



Cro-Magnon man. 12, 571 



Crop, 296 



Crossing over. 491-93,494 



Crossoplerygii, 670 



Cross-pollination, 221 



Crustacea, 655 



Cryptorchy, 383, 399 



Crystalloidal range ol protoplasm, 91-92 



Crystals, growth of, 5; ol tobacco mosaic virus, 

 9-10 



Ctenophora, 634—35 



Cutaneous receptors, 419-20 



Cuttle fish, 653 



Cyanide, 1 17 n. 



Cyanophyta (blue-green algae), 594-95; life cycle 

 of, 208 



Cycads. 619 



Cyclic usage of food elements. 183-85 



Cyclops, 574 



Cyclosis. 198, 244 



Cyclostomata. 667, 668-69 



Cytochrome oxidase. 1 17 



Cytochrome system. 116. 117 



Cytochromes, 146-49 



Cytology, 21-22 



Cytolysis, osmotic, 119 



Cytoplasm, 7. 16. 17. 23-25, 74, 181; responsibil- 

 ities ol, functional, 3-1—35 



Cytosine, 134, 521 



D 



Daphnia, 574. 589 



Dark reactions, 160, 163-64 



Darwin, C 538, 548, 574, 634 



Dasa phimosa, 601 



Daughter cells. 41. -1-1. 45, 48. 51. 56 



Deamination, 138, 152-53; reactions. 138: urea 

 formation and, 341-43 



Decarboxylation. 152; reaction, 152 



Decay, saprophytic bacteria and, 177 



Decomposers. 587. 588, 589 



Decomposition, hydrolytic, 129: photochemical, 

 162; reactions, 78 



Defecation. 131, 315 



Defense, mechanisms ol, 575-76 



Deficiencv diseases, 347 



Deficient) experiments, endocrine glands, 399. 

 410 



Dehydration synthesis, 79 



Dehydrogenases, 101. 145 



Dehydrogenation, 145 



Deliverv ol human child, 393. 394 



Demeree, M., 542 



Dendrites, ccntrons and, functions of. 455-58 



Dendron fibers, 453 



Denclrons. 287. 288 



Dentalium , 650, 653 



Deoxycorticosterone. 407 



Deoxyribonucleic acid (DNA), 10, 520, 527, 536: 

 as genie material, identification of. 520-21; 

 -nucleoproteins. 7: proteins. 16. 22. 23. 35. 47. 

 83, 88, 110, 131-35: ribonucleic acid (RNA)- 

 protein interrelationship, 525-26; scll-templated 

 replication of, 522-24; structure of, macromo- 

 lecular, 521-25; viral, replication of. 524-25 



Deoxyribosc, 80 



Dependent assortment, 490-91 



