II74 



SUBJECT INDEX 



Chicken pox, 518, 566. See also Varicella 



Chicken sarcoma, 518 



Chilling, effect of, on culture growth, 61 



Chiloniastix mesnili, 662, 674 



Chitin, 231 



Chlamydobaderiales, 132, 282 



Chlamydozoa, 517 



Cholecystitis, 582 



Chlorin 



antiseptics, 1106 



needed for growth, 280 

 Chlorination 



of sewage, 36 1_ 



of water supplies, 368 

 Chlorosis, 518 

 Cholera. See Hog cholera 

 Cholera vibrio, 2 

 Cholesterol, 31 

 Chromatin, 7, 88, 221, 547 

 Chromatium, 324 

 Chromidia, 40 

 Chromogens, 19 

 Chromophores, 19 

 Chromosomes, 542 

 CUiates, intestinal, 674 

 Cinchona in chemotherapy, 1 1 20 



ethylhydrocuprein, 1 1 2 1 



in experimental infections, 11 22 



toxicity of, 11 21 

 Citrate, sodium, 365 

 Citric acid, 246 



produced by A. niger, 512 



action of B. aerogenes and B. coli on, 248 

 Classification 



OF Bacteria, 120-35 



of bacterial enzymes, 269 



chronological, 128 

 Clones, 85 

 Clostridium hotulinunt. See also B, bolulinus, 



Botulism 



antitoxin, 449, 75s, 766, 954 



in food poisoning, 443 



heat resistance of spores, 287, 448 



and pH, 1292 



toxin, 561, 766, 781 

 absorption, 449 

 in canned foods, 449 

 destroyed by CI. sporogenes, 449 



varieties A, B, and C, 447 

 CI. sporogenes, 449 

 CI. tetani, 642. See also B. telani 



destruction of spores, 287 

 CI. welchii, 642, 955. See also B. welchii 



in gastro-enteritis, 367 



in water, 364, 366, 367 

 Clovers, 334 

 Coagulation 



milk, 275 



of proteins, by 

 heat, 703 

 ultra-violet light, 377 



velocity, 800 ' 



Coal-tar dyes, 19 

 Cobra-lecithid, 1080 

 Cocaine, filterability of, 563 

 Coccaceae, 42, 123, 131, 132 

 Cocci, udder, 379 



Coccidia, host-parasite relations, 675 

 Cohesive force, 792 

 nature of, 799 



effect of salt solution on, 794 

 Cold, preserving by, 441 

 Colds, 518 

 Coli-aerogenes group, 641 



from fecal and non-fecal sources, 365 

 from water, 364 

 Colloidal 

 micellae, 529 

 particles 

 gold, 171 

 ionization of, 170 

 migration of, 575 

 suspensions 

 charge of, 785 

 precipitation, 790 

 stability of, 1 70 

 systems, surface tension in, 178 

 reactions of toxins and antitoxins, 740 

 Colloids, 178 



protective, 77 

 Colon, 639 



Colon-typhoid group, 392 

 globulins, 714 

 in milk, 389, 394 

 in water, 69 

 Colonies 

 aberrant, 596 

 of bacteriophage, 528 

 pin point, 403 

 Colony form 



as aspect of dissociation, 93 

 effect of serum, 99 

 variation, 570 

 continuous, 571 

 in plant pathogens, 595 

 in Bad. tumefaciens, 595 

 See also Rough and smooth colony form 

 Compatibility tests before transfusion, 904 

 Complement 



anticomplementary activities, 836 

 in bacteriolysins, 875 

 and ultra-violet rays, 376 

 Complement fixation antibodies, 1037 

 Complement Fixation Reaction with Bac- 

 terial Antigens, 831-37 

 antigenic substances for, 834 

 in leprosy, malaria, pellagra, and pregnancy, 



847 

 Test for Syphilis, 838-47 



alcoholic extracts for, 839 



interpretation of results, 847 



methods of, 839-44 



and precipitation test, 855 



serum of non-syphilitic cases, 847 



standardization of technique, 844 

 diagnosis of tuberculosis, 836 



