1903.] Bole of the Blood Fluids in Phagocytosis. 363 



E. A. E. W.'s heated serum, 3 vols. ; staphylococcus suspension, 

 1 vol. ; A. E. W.'s corpuscles, 3 vols. 



Tube 1. Phagocytic power (bacteria in 52 P.W.B.C. 



enumerated and averaged) 0-6 



Tube 2. Phagocytic power (bacteria in 46 P.W.B.C. 



enumerated and averaged) 3 4 



EXPERIMENT 2. 



A. S. E. D.'s unheated serum, 3 vols. ; staphylococcus suspension 

 1 vol. ; S. R. D.'s corpuscles, 3 vols. 



Tube 1. Phagocytic power (bacteria in 20 P.W.B.C. 



enumerated and averaged) 1 8 5 



Tube 2. Phagocytic power (bacteria in 22 P.W.B.C. 



enumerated and averaged) 1 6 



B. S. R. D.'s heated serum, 3 vols. ; staphylococcus suspension, 

 1 vol. ; S. R. D.'s corpuscles, 3 vols. 



Tube 1. Phagocytic power (bacteria in 29 P.W.B.C. 



counted and averaged) 1*5 



Tube 2. Phagocytic power (bacteria in 46 P.W.B.C. 



counted and averaged) 1*8 



EXPERIMENT 3. 



A. A. E. W.'s unheated serum, 3 vols. ; staphylococcus suspension, 

 1 vol. ; A. E. W.'s corpuscles, 3 vols. 



Tube 1. Phagocytic power (bacteria in 9 P.W.B.C. 



counted and averaged) 25 4 



Tube 2. Phagocytic power (bacteria in 18 P.W.B.C. 



counted and averaged) 16*0 



B. A. E. W.'s heated serum, 3 vols.; staphylococcus suspension, 

 1 vol. A. E. W.'s corpuscles, 3 vols. 



Tube 1. Phagocytic power (bacteria in 20 P.W.B.C. 



counted and averaged) 



Tube 2. Do. do. do. 



EXPERIMENT 4. 



A. S. R. D.'s unheated serum, staphylococcus suspension and 

 corpuscles in the same proportions as before. 



Phagocytic power (bacteria in 15 P.W.B.C. counted and 

 averaged) 15*7 



