OF THE PRINCIPAL BACTERIA. 173 



BACTERIA .CONTINUED. 



Culture Characters. 



Actions. 



Habitat. 



Discoverer. 



Liquefies; not growing on 

 the surface. 



Grows slowly ; reacts to 

 iodine, turning blue. 



Insect-shaped colonies. 



Grayish points, raised, 

 opaque; rapid growth; 

 not liquefying. 



White flakes. 



Slow growth at 37 C. ; in 

 agar a white line, which 

 in the centre becomes 

 porous. 



Grows best in cultures to 

 which glucose and am- 

 mon. tartrate have been 

 added. 



Liquefying; slow growth; 

 thin yellow membrane; 

 sulphurous odor. 



Converts molasses into 

 a gelatinous mass. 



Causes gluconic fer- 

 mentation. 



Beet-root juice. 



Caries of teeth. 

 Sour milk. 

 Sea-water. 



Potatoes. 

 Sea-water. 



Nasal space and se- 

 cretion. 



Potatoes. 



Soil. 



Sulphur waters. 



Urethral secretion. 



Beer. 



Urine. 



Water from sugar- 

 tactory. 



Cienkowski. 



Miller. 

 De Bary. 

 Cohn. 



Flugge 



Hack. 



Reinke and 

 Berthold. 



VanTiegham. 



Rabenhorst. 



Lustgarten. 



Boutroux. 



Prove. 



Schroter. 



