522 



MIORO-ORGANISMS IN WATER 



Argenteo-pliosp'horesce7is Uquefac- 



iens, P., 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, 3'27 

 Aurantiaca^ Sarcina, 507 

 AurantiacuSj B., 449 

 Aurantiacus, M., 501 

 — vitality in seltzer-water, 240 

 Aureus, B., 448 

 Av/reus, 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, 898 

 Bacterial forms, figure of, 395 

 Bacterial harpoon, 36,, 37 



Basic aniline colours, 43, 44 



aqueous alcoholic solutions 



of, 44 

 Beggiatoa, 509 

 Beggiatoa alba, 509 



— tnirabiliSy 510 



— nivea (see Thiothrix nivea), 511 



— roseo-persicina, 510 

 Berkefeld filter, 5, 176 



— and cholera bacillus, 177, 178 



— and ty]3hoid bacillus, 177-181 

 Berlin water-supply, 142, 143 

 BeroUnensis indicus, J5., 473 

 BeroUnensis, Vibrio, 400 



discovery of, in water, 282 



Biskra, M,, 489 



Blood serunr, 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, 229 

 Borke, Lake of, bacteria in, 109, 



110 

 Brevis, 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 

 Candddus, M., 493 

 Capsulatus, B., 430 



Carbolic fachsine and methylene- 

 blue staining solutions, 46 



Carbonated waters, bacteria in, 235- 

 242 



Carbonic-acid gas, and cholera ba- 

 ciUus, 237 



— — and water bacteria, 237 

 Carneus, M., 496 

 Ca/rnicolor, B., 477 

 Cerasinus siccus, M., 497 

 Cereus alhus, 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 



Chantemesse and Widal, detection 

 of typhoid bacillus, 274 



Charcoal, animal, for filtration pur- 

 poses, 169-171 



agitation of water with, 194 



— vegetable, for filtration pitrposes, 

 169-171 



agitation of water with, 195, 



199 

 Chelsea Company's filter-beds, 



bacterial examination of, 136 

 Chemical analysis of water from 



Hamburg, 305 



