BACTERIA IN WATER. 565 



centimetre, and the mud from the bottom 245,000 ; at 100 metres the 

 water contained 10 and the mud 200,000 per cubic centimetre ; at 

 500 metres the water contained 22 and the mud 12,500 per cubic 

 centimetre ; at 1,100 metres the mud contained 24,000. 



The following new species were obtained by Russell from the 

 source mentioned : Bacillus thalassophilus, Cladothrix intricata, 

 Bacillus granulosus, Bacillus limosus, Spirillum marinum, Bacillus 

 litoralis, Bacillus halophilus. 



The bacterial flora of fresh and sea water is very extensive, as 

 will be seen by the following list of species which have been described 

 by various bacteriologists who have given their attention to its 

 study : 



NON-PATHOGENIC MICROCOCCI. 



Micrococcus aurantiacus (Colin), Micrococcus luteus (Cohn), Micrococcus 

 violaceus (Cohn), Micrococcus flavus liquefaciens (Fliigge), Micrococcus fla- 

 vus desideiis (Fliigge), Micrococcus radiatus (Fliigge), Micrococcus cinnaba- 

 reus (Fliigge), Micrococcus flavus tardigradus (Fliigge), Micrococcus versi- 

 color (Fliigge), Micrococcus agilis (Ali-Cohen) , Micrococcus fuscus (Maschek), 

 Diplococcus luteus (Adametz), Pediococcus albus (Lindner), Micrococcus 

 cerasinus siccus (List), Micrococcus citreus (List), Micrococcus aquatilis 

 (Bolton), Micrococcus fervidosus (Adametz), Micrococcus plumosus (Brauti- 

 gam), Micrococcus viticulosus (Katz), Micrococcus cremoides (Zimmermann), 

 Micrococcus carneus (Zimmermann), Mici'ococcus concentricus (Zimmer- 

 mann), Micrococcus rosettaceus (Zimmermann), Micrococcus ureae (Pasteur), 

 Weisser Streptococcus (Maschek), Wurmformiger Streptococcus (Maschek), 

 Micrococcus aerogenes (Miller), Sarcina alba, Sarcina Candida (Reinke), 

 Sarcina lutea. 



PATHOGENIC MICROCOCCI. 



Staphylococcus pyogenes aureus (Rosenbach), Micrococcus of Heydeii- 

 reich " Micrococcus Biskra." 



NON-PATHOGENIC BACILLI. 



Bacillus arborescens (Frankland), Bacillus viscosus (Frankland), Bacil- 

 lus aquatilis (Frankland), Bacillus liquidus (Frankland), Bacillus nubilis 

 (Frankland), Bacillus vermicularis (Frankland), Bacillus aurantiacus 

 (Frankland), Bacillus cceruleus (Smith), Bacillus glaucus (Maschek), Bacil- 

 lus albus putidus (Maschek), Bacillus fluorescens liquefaciens, Bacillus flup- 

 rescens nivalis (Schmolck), Bacillus lividus (Plagge and Prpskauer), Bacil- 

 lus rubidus (Eisenberg), Bacillus sulfureum (Holschewnikoff), Bacillus 

 violaceus, Bacillus gasoformans (Eisenberg), Bacillus liquefaciens (Eisen- 

 berg), Bacillus phosphorescens indicus (Fischer), Bacillus phosphorescens 

 indigenus (Fischer), Bacillus phosphorescens gelidus (Katz), Bacillus sma- 

 ragdino-phosphoresceiis (Katz), Bacillus argenteo-phosphorescens Nos. I., 

 II., and III. (Katz), Bacillus cyaneo-phosphorescens (Katz), Bacillus ar- 

 genteo-phosphorescens liquefaciens (Katz), Bacillus ramosus, Bacillus sub- 

 tilis (Ehrenberg), Proteus sulfureus (Linden born), Bacillus aureus (Ada- 

 metz), Bacillus brunneus (Adametz), Bacillus flavocoriaceus (Adametz), 

 Bacillus fluorescens noii-liquefaciens, Bacillus latericeus (Adametz), Bacillus 

 stolonatus (Adametz), Bacillus berolinensis indicus (Classen), Bacillus ery- 

 throsporus (Eidam), Bacillus luteus (List), Bacillus aquatilis sulcatus Nos. 

 1, 2, 3, 4, and 5 (Weichselbaum), Bacillus albus (Eisenberg), Bacillus multi- 

 ped iculosus( Fliigge), Bacillus Ziirnianum (List), Bacillus fulvus (Zimmer- 

 mann), Bacillus helvolus (Zimmermann), Bacillus ochraceus (Zimmer- 



48 



