522 



MICRO-ORGANISMS IN WATER 



Argenteo-plwspliorescens liquefac- 



iens, B., 453 



Artesian well, bacteria in, 106, 182 

 Asbestos filters, 181 

 Ash, Hard-wood, agitation of water 



with, 201 

 Asiatic cholera, bacillus of (see 



Cholera bacillus) 

 Aspergillus flavescens, vitality in 



water of, 327 



Aurantiaca, Sarcina, 507 

 Aurantiacus, B., 449 

 Aurantiacus, M., 501 

 vitality in seltzer-water, 240 

 Aureits, B., 448 

 Aureus, Vibrio, 405 



* B ' (coccus), 490 



Bacilli which liquefy gelatine, 396, 

 397 



which do not liquefy gelatine, 

 397 



- found in water, 399-489 



pathogenic, found in water, 398 

 Bacterial forms, figure of, 395 

 Bacterial harpoon, 36, 37 



Basic aniline colours, 43, 44 



aqueous alcoholic solutions 



of, 44 



Beggiatoa, 509 

 Beggiatoa alba, 509 



mirabilis, 510 



nivea (see Thiothrix nivea), 511 



roseo-persicina, 510 

 Berkefeld filter, 5, 176 



and cholera bacillus, 177, 178 



and typhoid bacillus, 177-181 

 Berlin water-supply, 142, 143 

 Berolinensis indicns, B., 473 

 Berolinensis, Vibrio, 400 



discovery of, in water, 282 



Biskra, M,, 489 



Blood serum, filtration of, 5 

 preparation of, 18, 19 

 - addition of glycerine to, 19 



addition of agar-agar to, 19 

 Loffler's additions to, 20 



addition of, to water contain- 

 ing ozone, 243, 244 



Boiled water, multiplication of 

 bacteria in, 2 % 29 



Borke, Lake of, bacteria in, 109, 

 110 



Brevi*, B., 429 



Brewing waters, examination of, 

 67-73 



Brick-dust for filtration purposes, 

 169-171 



agitation of water with, 199 



Broth, beef, 9, 25 

 - formalin, for diagnosis of ty- 

 phoid bacillus, 285 



Brown pigment, bacteria producing 

 a, 431, 432, 498 



Brunneus, B., 432 



Butyricus, B., 478 



Buzzard's Bay, bacteria in, 115 



' C ' (Bacillus], 476 



Calcium carbonate, agitation of 



water with, 198 

 Canal-bacillus, ' Kapseltragender,' 



258 (see B. capsulatus) 

 kurzer, 259 (see B. brevis) 

 Candicans, M,, 492 

 Candida, Sarcina, 505 

 Candidus, M., 493 

 Capsulatus, B., 430 

 Carbolic fuchsine and- metlrylene- 



blue staining solutions, 46 

 Carbonated waters, bacteria in, 235- 



242 



Carbonic-acid gas, and cholera ba- 

 cillus, 237 



and water bacteria, 237 

 Carneus, M., 496 

 Carnicolor, B., 477 

 Cerasinus siccus, M., 497 

 Cereus albiis, M., 493 

 Chalk and water purification, 194 

 Chamberland filter, 172 176 

 and typhoid bacillus, 175, 176, 



285 

 chemical effect on water after 



passing through, 172 

 Chanteniesse and Widal, detection 



of typhoid bacillus, 274 

 Charcoal, animal, for filtration pur- 

 poses, 169-171 



agitation of water with, 194 



vegetable, for filtration purposes, 



169-171 

 agitation of water with, 195, 



199 

 Chelsea Company's filter-beds, 



bacterial examination of, 136 

 Chemical analysis of water from 



Hamburg, 305 



