28 



PRACTICAL DAIRY BACTERIOLOGY 



whether this organism is properly called a Bacterium or a 

 Streptococcus. The term Bacterium, however, has been ap- 

 plied to it for nearly twenty years, and only in the last year or 





x v 



*AX; 





a 



( * * 





r 

 c 



c 



FIG. 15 ^VARIETIES OF BACT. LACTIS ACIDI (HEINEMANN) 



two have some suggested that it ought to receive the name of 

 Streptococcus. This recent suggestion has not as yet been very 

 favorably received, and it is still known, and for some time, 

 doubtless will be known, in literature, by the name of Bact. 

 lactis acidi, although the name Streptococcus is taking its place. 1 



1 Heinemann. Jour, of Infectious Diseases, III., p. 173, 1906. Jour, of In- 

 fectious Diseases, IV., p. 1, 1907. 



