1120 



INDEX 



Claparede and Lachmann (continued) 

 1039, 1043, 1064, 1079, 1084, 1086, 

 1087 



Clark, A. J., 415 



Clark, N. A., 535 



Clark, W. M., 396 



Classification, of fresh-water species on an 

 ecological basis, 5 ; Miillers, the earliest 

 successful, of Protozoa, 11; cytoplasmic 

 granules, 177-79 ; immunological reac- 

 tions in relation to, 876-78 



Cleveland, L. R., 45, 90, 154, 157, 391, 

 392, 460, 463, 892, 893, 909, 911, 

 931, 962, 964, 965, 966, 967, 968, 969, 

 970, 971, 1015, 1016, 1018, 1020 



Cleveland, L. R., and Sanders, E. P., 

 821 



Cleveland, L. R., Hall, S. R., Sanders, 

 E. P., and Collier, Jane, 391, 924, 926, 

 928, 929, 962, 965, 966, 968, 969, 

 970, 971, 972, 1015, 1028 



Clones, 712; single-type, 756; crosses be- 

 tween single- and double-type, 757 



Coagulation, irreversible, 61 



Coccidiosis in poultry, 824-26 



Codreanu, M., and Codreanu, R., 906, 

 907 



Codreanu, R., 897, 898, 915, 916, 917 



Coe, 532 



Coehn, A., and Barrat, W., 324 



Coggeshall, 848, 849 



Coggeshall and Eaton, 850, 875 



Coggeshall and Kumm, 850 



Cohen, Barnett, 395 



Cohen, R. A., and Gerard, R. W., 381 



Cohen, W. E., 965 



Cohn, 208, 1064, 1093 



Cohnheim, Ziegler, Marchand, 836 



Colas-Belcour and Lwoff, A., 485, 486 



Collin, B., 623, 627, 940, 1022, 1043, 

 1083, 1084, 1087, 1089 



Colloidal nature of protoplasm, 49 f., 51 



Colonial organisms, growth, 526 f.; re- 

 generation in, 804-11 



Colonial organisms' responses, to light, 

 297-305; shock reaction, 298; kinetic 

 responses, 299; orientations, 300-303; 

 wave length and response, 303; rever- 

 sal in response, 303-5; to electricity, 

 327-32; orientation, 328; electric 

 charge, 328; mechanics of response, 

 329-32 



Colonies, temporary: formation and pur- 

 pose, 74 



Color of protoplasm, 82 f. 



Commensalism, term, 818, 891; inqui- 

 lines, 892 ; physiological host relation- 

 ships illustrative of mutualism and, 

 961-87 



Complement fixation test, 873 f. 



Composite motor organelles, separation 

 into their components, 76 



Conchophthirus, reorganization, 21 f . ; 

 fibrillar system, 230, 232, 234 



Condensation membrane, 418 



Conductivity, fibrillar, 258 



Conidiophrys, 953-56 



Conjugant meiosis, 624-39; first divi- 

 sion, stages A, B, 626-31; second, 

 stage C, 631 f.; third, stage D, and 

 formation of pronuclei, 632-34; stage 

 E, migration of pronuclei and fertiliza- 

 tion, 634 f . ; stages F, G, H, The ex- 

 conjugants, 635-39 



Conjugation, Balbiani's interpretation of 

 process of, 11, 13, 14; Miiller's ob- 

 servations, 11, 13; tests, 31; reorgani- 

 zation by, 36-39; ciliate, 36 flf., 616- 

 39; difference between endomixis and, 

 36; conditions necessary for, in ciliates, 

 6l4; defined, 617-23; macronudeus 

 during, 623 f.; sexual differences be- 

 tween individuals, 688-99; role of en- 

 vironmental conditions in determining, 

 700 f . ; difl^erences between gamete nu- 

 clei during, 701 f.; significance of di- 

 versities between conjugants and be- 

 tween gamete nuclei, 703-6; regenera- 

 tive ability, 778 f. 



Conklin, 84, 796 



Connell, 163, 1019, 1030, 1031, 1044, 

 1052 



Consistency of protoplasm, 50-61 ; effect 

 of mechanical agitation, 47, 58; of 

 water, 53; of salts, 53-55, 61; of acids 

 and alkalies, 55, 61; of temperature 

 55-58; of hydrogen-ion concentration, 

 58; of narcotics, 59; of radiation, 60; 

 of heavy water, 60; of electric current, 

 61; hydrostatic pressure, 61; irrevers- 

 ible coagulation, 61 



Contractile vacuoles, see Vacuoles, con- 

 tractile 



Contractility, 90-94; active vs. elastic, 90, 

 91; Vorticella, 208 flf. 216 flF., 229, 258 



