BACILL US ANTHRA CIS SYMPTOMA T1CL 563 



taken for anthrax bacilli are the bacillus subtilis and 

 the bacillus of malignant oedema. The former is dis- 

 tinguished by its motility, by various cultural peculi- 

 arities, and by being non-pathogenic. The latter differs 

 from the anthrax bacillus in form and motility, in being 

 decolorized by Gram's solution, in being a strict anaer- 

 obe, and in various pathogenic properties. 



The diagnosis of internal anthrax in man is by no 

 means easy, unless the history points definitely to infec- 

 tion in the occupation of the individual. In cases of 

 doubt cultures should be made and inoculations per- 

 formed in animals. According to Cornil and Babes, 

 some of these cases may possibly be caused by organ- 

 isms other than the bacillus of anthrax. 



BACILLUS ANTHRACIS SYMPTOMATICI. 



(Bacillus of Symptomatic Anthrax.) 



Like the bacilli of anthrax and of malignant oedema, 

 both of which it resembles in other respects also, the 

 bacillus of symptomatic anthrax is an inhabitant of the 

 soil. It is found as the chief cause of the disease in 

 animals principally cattle and sheep affected with 

 what is known as " black leg," " quarter evil," or 

 symptomatic anthrax (German, rauschbrand; French, 

 charbon symptomatique), a disease which prevails in 

 certain localities in summer, and is characterized by a 

 peculiar emphysematous swelling of the subcutaneous 

 tissues and muscles, especially over the quarters. 



Morphology. Bacilli having rounded ends, from 

 0.5/j. to O.Qfj. broad and from 3// to 6/J. long; mostly 

 isolated, also occurring in pairs, joined end-to-end, 

 but never growing out into long filaments, as the an- 



