Morphology 



481 



In twenty-four to forty-eight hours filaments are seen. 

 These are of the same diameter throughout, and usually con- 

 tain deeply staining bodies, sometimes round, oftener in bands. 



Fig. 154. Bacillus fusiformis. Pure culture grown forty-eight hours 

 anaerobically on Loffler's blood-serum. (Ruth Tunnicliff in "Journal 

 of Infectious Diseases.") 



Fig. 155. Bacillus fusiformis. Pure culture grown forty-eight hours 

 anaerobically in the fluid of condensation of Loffler's blood-serum. 

 (Ruth Tunnicliff in " Journal of Infectious Diseases.") 



Most of the filaments are made up of strings of bacilli, but 

 some stain uniformly. About the fourth or fifth day the 

 31 



