162 



BACTERIOLOGY 



and 39° C. ; under 16° C. no development takes place. The 

 spores lie at one end of the rods, and ^-e very resistent. 



Gas bubbles in the colonies - 





Fluid globules (colonies) 



Fig. 59. — ^Anaekobic Culture of the Bacillus op Malignant CEdema in 

 Gltceeine Agak. (After Praenkel and Pteiffer.) 



The Bacillus spinosus is often found in conjunction with 

 the above, being obtained in like manner from garden 



