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 



s . 



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

 solution. 



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



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



