48 



SARCINA AURANTIACA. 



ORANGE SAKCIXE. 



Origin. From air, weiss-beer. 



Form. Small, spherical cocoi, grouped in 2 and 4, 

 and also forming package-shaped masses. 



Motility. None. 



Sporulation. None. 



Anilin Dyes. Slain very easily and are likely to 

 over stain. 



Growth. Rather rapid. 



Gelatin Plates. Show round, sharp-edged colonies, which are granular 

 and of an orange-yellow color. Liquefy. 



Rtich Cultures. Liquefies gelatin along entire line of inoculation. Even- 

 tually an orange-colored deposit of bacteria forms on the bottom and the 

 liquid above becomes clear. 



Streak Culture^ ')n (if/or, forms a thick, orange-colored growth. On 

 potatoes, the pigment i.s excellently developed. 



Oxygen requirements. Is aerobic. 

 Temperature. Higher temperatures unfavorable. 

 Behavior to Gelatin. Liquefies rapidly. 

 Aerogenesis. Not observed. 

 Pathogenesis. Has no effect. 



