528 



BACTERIOLOGY. 



tion here given for the bacillus of malignant oedema. 

 Compare its morphological, biological, and pathogenic 

 peculiarities with those of bacillus anthracis under simi- 

 lar circumstances ; especially its action on animals and 

 its appearance in the tissues and fluids. 



Still another pathogenic organism that may be present 

 in the soil is 



BACILLUS CHAUVEI, ARLOING, CORNEVIN, AND 

 THOMAS, 1887. 



Synonyms : The bacillus of symptomatic anthrax Bacterie du char- 

 bon symptomatique (Fr.) Bacillus des rauschbrand (Ger.). 



It is the organism concerned in the production 

 of the disease of young cattle and sheep commonly 

 known as " black leg," " quarter evil," and " quarter 

 ill," a disease that prevails in certain localities dur- 



FIG. 91. 



Bacillus of symptomatic anthrax. A. Vegetative stage gelatin culture. 

 B. Spore-forms agar-agar culture. 



ing the warm months, and which is characterized by 



