1912.] 



On the Variability of Streptococci. 



409 



Table V. — Showing the Eeactious of certain Streptococci in 1910 after Con- 

 tinuous Cultivation in Stab Agar for Two Years. 



Six of the Streptococci agree in every reaction but one. 



Streptococcus. 



Milk clot. 



Saccharose. 



Lactose. 



6 



sa 

 A 



Inulin. 



Saliciu. 



Mannite. 



L 













°o 







+ 







P 











+ 









+ 







V 













°o 













S 







+ 











+ 







M 









+ 

















H 







+ 



+ 











+ 







G 



+ 



+ 

















Table VI. — Showing the Keactions of some of the Streptococci from Table V 

 after Eight Weeks' (in the case of P Mne Weeks') Cultivation in Inulin 

 Medium. 



Three arc identical, and one other differs only in respect of one reaction. 







































2 













Strepto 



Milk cl 



Saccha: 



Lactose 







Salicin. 



Mannit 



L 





+ 





+ 



+ 





+ 



S 





+ 



+ 









+ 



<* 









+ 









M 









+ 











P 



+ 





















Table VII. — Showing the Eeactions of the Streptococci of Table VI after 

 their return for Three Months to Cultivation in Stab Agar. 

 Three arc identical, and show the same reactions as L, P, V, from agar in 

 1910, and G- only differs as regards the saccharose reaction. 



