BA CILL US (EDEMA TIS. 



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It is a rod about 3 to 3.5 p. long and from 1 to 1.1 p 

 thick i. e., it is about as long as bacterium anthracis, 

 but is a trifle more slender. It is usually found in pairs, 

 joined end to end, but may occur as longer threads; 

 particularly is this the case in cultures. When in pairs 



Bacillus cedematis. A. ffldema-fluid, from site of inoculation of guinea- 

 pig, showing long and short threads. B. Spore-formation, from culture. 



the ends that approximate are squarely cut, while the 

 distal extremities are rounded. When occurring singly 

 l)oth ends are rounded. (How does it differ in this 

 respect from bacterium anthracis?) It is slowly motile, 

 and its flagella are located both at the ends and along 



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