INDEX. 



ABBA, method of isolating B. coli, 102 



Acidi lactici, B., 129 



Action of electricity on micro-organisms, 24 



Agar-agar, preparation of, 285 



Agilis, M., 74 



Agglutination test, 167 



general conclusions, 180 



methods for the performance of, 180 



Albus, B., 71 

 Amethystinus, B., 69 



mobilis, B., 69 



Analysis, quantitative bacteriological, 6 

 Aquatilis communis, B., 55 

 radiatus, B., 56 

 sulcatus, B., 50 



B. (Weichselbaum), 49 

 B., 63 



B. (Frankland), 63 

 M., 75 



V., 244 

 Arborescens, B., 61 

 Aurantiacus, B., 65 

 Aureus, B., 65 

 Aureus, V., 78 

 Aurora, M., 141 



BACTEEIAL contents of ice, 26 

 hail, 27 



lakes, 28 



rain, 27 



rivers, 27 



snow, 26 



sources of supply, 26 



springs, 30 



wells, 29 



Beco, agglutination experiments, 171 

 Berolinensis, V., 245 



Bleisch, solution for cholera-red reaction, 240 

 Bolton, experiments on the sedimentation of micro-organisms, 18 

 Breslaviensis, B., 194 

 Broth, preparation of, 284 

 Brunneus, B., 72 



