148 SUBJECT INDEX. 



PAGE 



Bacillus coli, determined by animal inoculation 7° 



, distribution of ° l 



, distribution of, in unpolluted waters 7^-79 



, distribution of, in various animals 74 



, distribution in various waters °S 



, effect of dilution on growth in litmus lactose agar. ... 66 



, from cereals ° 2 



, gas ratio 95 



, general distribution of, in nature 7^ 



, growth on agar streak 67 



in effluents of Lawrence filter 87 



in filter effluents 86 



in large samples 82 



in Merrimac River 86 



in mud 45 



in normal intestine 58 



in polluted waters 89, 91 



in refuse from tanneries, grist-mills, and dairies 82 



in river water 83, 92 



in Severn River 45 



in sewage 89, 92 



in soil . 84 



in spring water 78, 88 



in stored sewage 101 



, in unpolluted waters 78, 91, 97 



in well waters 78, 92 



, isolation of, by Escherich 58 



, isolation of pure cultures 65 



, isolation of, by litmus lactose agar 59 



, morphology of. 58 



, on cereals 80 



, on hands 22 



, overgrowth by streptococci 102, 103, 104 



, overgrowth during preliminary incubation . ... 62, 64, 65 



, pathogenesis for guinea-pigs 59 



, pathogenicity of 78 



, percentage of cultures giving positive tests in sub- 

 culture 7 2 



, positive isolations by different methods 63 



, presumptive tests for 94 



