192 



MORPHOLOGIC VARIATION 



Page 



Chlamydospores 7, 14 



Cholera vibrio 6, 10, 59, 117, 120 



Coefficient of variation 74 



of area-length index 122 



of length of cells 105 



CoUargol, staining of granules 



by 56 



Composite photographs 58, 89 



Congo red 



negative staining with 53, 54 



staining of dead cells by ... . 



55, 56, 127 



staining of granules by 55 



Conidia 2, 10, 14 



Counting chamber 49, 50 



Counting of bacteria 



by plating 127 



microscopic 49, 50 



Crowding of bacteria 



effect of on growth 34 



on spores 113 



Curvature of cells 120 



correlation with form 121 



Cystit 6 



Cystoid 6 



Cytomorphosis 142, 144 



"Dauerformen" 8 



Death of bacteria, rate of 



51, 127, 129, 141 



Death phase. 20, 51, 120, 123, 125, 127 



Dedifferentiation 143, 144 



Differentiation. 115, 141, 142, 143, 144 



Diphtheroid bacteria 7, 13, 60, 99 



Diploid nuclei 2, 6, 13 



Division of bacteria 



6, 8, 11, 15, 62, 66, 93 



equational 6 



non-equational 6, 15 



Dormancy 44, 69 



Embryonic forms of bacteria.. 



93, 96, 108, 123, 140 



Endospores 3, 4 



Page 



Ergastic substances 13 



Exospores 3,4, 14 



Filterable forms of bacteria. . . .2, 3, 5 

 Frequency distributions 



according to area-length index 



form of cells. . . . 134 



length 



73, 74, 78, 79, 82, 105, 106 



Fruit flies, growth of 26 



Fungi 5, 7, 8 



Gametocytes of bacteria 6 



Generation time 19, 59, 77 



Glanders bacillus 59 



Gonidia 2, 3, 4, 9, 11, 14 



Gonit 6 



Gram staining 55, 96, 100 



Granules, intracellular 



60, 61, 62, 66, 140, 141 



Growth 



cessation of 34 



curves of 17, 18, 19 



law of 18, 32 



phases of 20 



Haploid nuclei 2, 6, 13 



Heredity in bacteria IS 



Hybrids 2, 14, IS 



Hydrogen peroxide 39 



Impure cultures 9 



Index of curvature 121 



Index of variation of form. . .133, 135 



correlation with autolysis 136 



Inertia of bacteria 44 



Inoculum, age of 



influence on rate of growth. . . 26 



size of cells 84 



Inoculum, size of 



influence on rate of growth. 24, 148 



on size of cells. 76, 80, 108 



on spore formation. 113 



