PSEUDODIPHTHERTA BACILLUS. 249 



theritic membrane, in healthy throats, in the nose, on the skin, 

 and on the conjunctive, especially in xerosis conjunctive. 

 It has also been found in impetigo, acne, pustules of variola, 

 in gangrene of the lung, and in pneumonia. The pseudo- 

 diphtheria bacillus does not elaborate a toxin. It is not 

 virulent. 



