195 



The following table gives a brief summary of ten cases with the 

 results of the agglutination tests: 



Agglutination tests with serum of recovered cases, May 17, 1908. 



A= Strain from Loeffler. 



B= Strain from market virus. 



C= Strain from stool 1 (fatal case). 



D= Strain from stool 2 (case 1 of table). 



= No test made. 



0= Negative. 



= Slight. 



Controls= Serum of five normal persons tested as above; gave in no case agglutination higher than 1:20. 



