( 161 ) 



oxydation taking place in the body, luit also in infectious diseases, 

 induced us to study its effects on the increase or decrease of the 

 phagocytarian power. 



Tiie results of one of the experiment are shown in the following 

 table. 



TABLE XII. 



Diminution of the alkaline reaction of the serum. 



We observe that even the small addition of 1 / aoo »-acid is injurious 

 to the phagocytosis. 



Now, we know that according to titration with lacmoi'de, 100 cc. 

 horse serum in the mean is equivalent to 75.5 cc. '/„ n-aeid '); conse- 

 quently it is calculated that serum represents an alkaline fluid of 

 7„ normal. 



The addition of '/„, ra-acid, therefore lowers its alkaline reaction 



by 5 •/„. 



Consequently, a diminution of the alkaline reaction of the serum 

 by 5 °/o is already injurious to the phagocytes. 



This result is in strict accordance with the injurious effect experienced 



H Hamburger, Verhandel, d. Koninkl. Akad. v. Wetensch. Second section, Vol. 

 VI, N°. 1, 1897. 



11* 



