QO STUDY AND IDENTIFICATION OF BACTERIA 



strictly pathogenic organisms, such as the gonococcus or the Koch- 

 Weeks. It resembles the diphtheria bacillus in being Gram positive 

 and showing parallelism, but differs i. in being nonvirulent for guinea- 

 pigs; 2. in requiring about two days for the appearance of colonies; 3. 

 in not showing Neisser's granule staining, and 4. in producing very little 

 acid in sugar media. 



