VIII 



AGGLUTINATION OF B. PJESTIS 



217 



No. 



Date of 

 Injection. 



Method of 

 Injection. 



Material (and Amount) Injected. 



1st 



2nd 

 3rd 

 4th 

 5th 

 6th 

 7th 

 8th 

 9 th 



May 6 



„ 22 

 June 5 



n 14 

 July 9 



n 18 



„ 31 

 August 27 

 September 16 



Intraperitoneal 



The whole growth scraped from the 

 surface of gelatine culture and 

 sterilised for 15 minutes at 70° C. 



Small dose of living culture (gels 

 tine). 



The blood serum was tested (dilution 1 : 20) on the 

 following dates, and with the following results in one 

 hour : — 



