398 



PROTEIN POISONS 



Figs. 20, 21, 22, and 23 are illustrations of the results 

 obtained by this mode of treating guinea-pigs with sus- 



TIME 



-100 



FIG. 19. Showing effect of repeated injections of physiological salt 



solution. 



FIG. 20. Showing effect of repeated injections of bacillus subtilis 



FIG. 21. Showing effect of repeated injections of bacillus prodigiosus. 



