196 



Dr. G. Dreyer and Mr. J. S. C. Douglas. [Nov. 16, 



Table II.— Experiment 1. October 26, 1904. 



5 c.c. of typhoid serum (T 29). 5 c.c. of 1"5/1 N emulsion of typhoid bacilli 

 without formalin. Y, bacilli unheated ; Z, bacilli previously heated to 

 60° C. for 1 hour. Actual strength of serum in tube 1 = 50 per cent. 





T. 



Y. 



Z. 



B. 



C. 



n. 



B. 



C. 



n. 





Ill -2 



76 -9 



34 -3 





78 -0 



33 -2 













0-186 







0-297 



2 



44 -4 



18 -2 



26 -2 





21 -7 



22 -7 













0 -57 







0-704 



3 



22 -2 



7-0 



15-2 





9 -5 



12 -7 













0 -876 







1 -004 



4 



11 1 



3 -22 



7 -88 





4 -76 



6 -.34 













0 -798 







1 -31 



5 



5 -55 



1 -43 



4-1 





2-63 



2-92 



















0 -870 



6 



2 -78 



<1 -0 







1 -25 



1 -53 





7 



1 -39 



<10 







<l-0 







Table III. — Experiment 2. November 10, 1904. 



5 c.c. Coli Icib. serum («) 61, 1/1. Y, 10/1 N Coli lab. bacilli without formalin. 

 Z, 10/1 N typhoid bacilli without formalin. Actual strength of serum in 

 tube 1 = 50 per cent. 







Y. 



Z. 





T. 



B. 



C. 



n. 



B. 



C. 



n. 





2000 



1970 



30 





2000 



0 





2 



1000 



775 



225 



2 -16 



911 



89 





3 



500 



305 



195 



0 -154 



428 



72 



0-28 



4 



250 



120 



130 



0-435 



211 



39 



0-737 



5 



125 



48 



77 



0-571 



105 



20 



0 •f)56 



6 



62 -5 



17 



45 -5 



0 -508 



51 -5 



110 



0 -839 



7 



31 -3 



5-9 



25 -4 



0 -651 



25 -4 



5-9 



0 -t'Sl 



8 



1 5 -6 



1 -0 







12-5 



3 1 



0 -91 



9 



7-8 



1 0 







C-17 



1-63 



0-91 

















