298 INDEX. 



RABINOWITSCH, thermophylic bacteria, 157 



Radiatus, M., 76 



Rain, bacterial contents of, 27 



Relation of cholera vibrios to other bacteria, 260 



quantitative analysis to filtration through sand, 33 



Remlinger and Schneider, isolation of B. typhosus from water, 221 

 Remy, method of isolating B. typhosus from water, 207 



on antagonism of B. coli and B. typhosus, 216 

 Rivers, bacterial contents of, 27 

 Rubefaciens, B., 60 

 Ruber aquatilis, B., 59 



Balticus, B., 59 



Berolinensis, B., 59 



Indicus, B., 58 

 Rubescens, B., 60, 137 

 Rubidus, B., 61 

 Rubrum, Sp., 79 

 Rugula, Sp., 79 



SACQUEPEE, varieties of Eberthiform bacilli, 176 

 Sanarelli, method of isolating Sp. choleree from water, 253 



vibrios isolated by, 249 

 Sarcina alba, 78 



,, aurantiaca, 78 

 lutea, 78 



Schofer, experiments with Berkefeld filter, 269 

 Sedimentation of micro-organisms, 18 

 Serpens, Sp., 80 

 Sewage streptococcus (Houston), 122 



proteus (Houston), 145 



Sims Woodhead and Wood, experiments with filters, 270 

 Snow, bacterial contents of, 26 

 Springs, bacterial contents of, 30 



Spirillum Cholerse Asiaticse, behaviour in acid and alkaline media, 263 

 ,, ,, ,, characteristics of, 236 



M diagnosis of, from allied forms, 242 



. 5J ,, relation to other bacteria, 260 



;> ) 5 vitality of, in water, etc., 254 



Deneke, 244 

 Finkler-Prior, 242 

 Metchnikovi, 243 

 Sternberg, C., coliform organisms, 197 

 Stoddart, method of i>olating B. typhosus from water, 199 

 Streptococci, value as a sign of sewage contamination, 124 



varieties found in sewage, 116 



Streptococcus albus, 123 



coli gracilis, 123 



mirabili?, 122 



vermiformis, 123 



Subflavus, B., 66 

 Subtilis, B., 52 



B. (sewage varieties), 154, 155 



