STUDY OF THE IMMUNITY AGAINST BACILLUS tYOCYANEUS I^ 



Experiment 2. 

 1905. 



Jan. 9. — Rabbit received 10 c.c. autolysed filtrate. 



10 c.c. autolysed filtrate. 



20 C.C. autolysed filtrate. 



Feb. 6. — It Jg- c.c. toluolised broth culture. 



\ c.c. toluolised broth culture. 



\ c.c, toluolised broth culture. 



Mar. 2.— II \ c.c. broth culture ; killed at 60° C. 



I c.c. broth culture ; killed at 60° C. 



\ loop virulent culture; rabbit died in 14 days with 



paralysis. 



24. — Control 1. \ loop living culture; dead in 2 days. 



tt 2. \ loop living culture ; dead in 5 days. 



II 3. Y(7 loop ; ill ; recovered. 



Experiment j. 



April 4. — Rabbit received 5 c.c. autolysed filtrate. 



II. — n 1 c.c. broth culture; killed at 60° C. 



I c.c. broth culture ; killed at 60° C. 

 \ c.c. toluolised broth culture. 

 I c.c. toluolised broth culture. 

 Y^Q loop living culture. 

 \ loop living culture. 

 J loop living culture. 

 5. — Control rabbit, J loop living culture— dead 2 days. 

 5. — n \ loop living culture ; ill — recovered. 



June 14. — Rabbit received 2 loops living culture — died in 4 days. 



The bactericidal power of the serum of the immunised rabbit was 

 tested by Wright's method on June 12th, with the following result: — 



