INDEX 



IOO9 



Counting bacteria, in milk, 471 



in soil, 370 

 Cowpox, 857 

 Cream, cultures for ripening, 479 



ice, 512 



microorganisms in, 476 



pasteurization of, 530 



pasteurized, 481 



raw, 481 



ripening (spontaneous and con- 

 trolled), 477 



Crenothrix polyspora, 109 

 Crithidia, characteristics, 135 

 Crown gall", 966 

 Crystalloids, 158, 177, 178 

 Ctenocephalis felis, 946 

 Cucumbers, angular leaf-spot of, 974 

 Cucurbits, wilt of, 988 

 Culex fatigans, 859 

 Cultivation of bacteria, 118 



of protozoa, 142 



of yeasts, 76 

 Cultures, commercial, 479 



in beer, 625 



in leather, 656 



in oleomargarine, 482 



in pasteurized cream, 481 



pure, 481 



in raw cream, 481 



in vinegar, 641 



in wine, 614 

 Curd, acid, of cheese, 486 



manipulation of, 492 



rennet-, of cheese, 486 

 Curdling of milk, 491 

 Curing by chemical preservation, 550 

 Cutaneous orifices, protection by, 688 

 Cyanophyceae, 17, 21, 22, 94 



cellular division in, 30 



locomotion in, 24 



membrane, 24 



nucleus in, 97 



Cybister laterimarginalis, 919 

 Cycle of development, 99 

 Cyst, 37 

 Cytase, 208, 209 



64 



Cytology, of bacteria, 89 



elements of, 15 



of molds, 40 



of yeasts, 63 

 Cytolysins, 705, 709 

 Cytophile group, 706 

 Cytoplasm, appearance, 18 



of bacteria, 89 



properties of, 18 



of protozoa, 125 

 Cytotoxins, 705, 709 



anti-, 710 



auto-, 710 



leuco-, 710 



DASYHELEA obscura, 945 

 Decomposition of insoluble food, 203 



type of, due to temperature, 272 



of urea, 202 

 Delhi boil, 88 1 

 Dematium, 62 



metachromatic corpuscles of, 44 



pullulans, 60 



morphology, 610 

 in slimy wine, 604 

 Dengue, 858 

 Denitrification, 395 



environmental relations, 396 

 Derma tomycoses, 777 

 Desiccation, 267 



of foods, 516 

 Determination of bacteria, in air, 305 



in milk, 471 



in soil, 371 



Development of bacteria in milk, 452 

 Deviation of complement, 707 

 Dialysis, 175 



Diarrhoea, bacillary, white, 806 

 Diastase, 204, 208, 209 

 Diffusion, 173 



in cell, 184 

 Digestive tract, microorganisms of, 593 



study of, 601 

 Diphtheria, antitoxin for, 741 



fowl, 818 



human, 812-815 



