178 Dreyer and Douglas. Velocity of Reaction in [Nov. 16, 



Table IV.— Experiment 2. May 7, 1907. 



Temperature, 2° C. Serum, Kringelgaard horse serum, 16 per cent. Bacilli, 

 10/1 N Bacillus coli communis (Kringelgaard), April 24, 1907. Tme 

 in centrifuging, etc., 28 minutes. 



Time in minutes. 



B. 



C. 



(28-x)+ 0 



12 -5 



149 -5 



4 



9-7 



152 -3 



8 



7-7 



154 -3 



. » 12 



6-7 



155 -3 



20 



6 -06 



155 -94 



T = 162 



Table V.— Experiment 3. October 29, 1907. 

 Temperature, 37° C. Serum, Coli lab. (goat), June 16, 1907, 8 per cent. 

 Bacilli, 10/1 IST Coli lab. emulsion, June 26, 1907. Time taken in centri- 

 fuging, etc., 25 minutes. 



Time in minutes. 



a. 



C. 



(25-a-)+ 0 



1 

 3 

 5 



9 



11 

 13 

 15 

 30 

 60 

 120 

 240 

 480 



(■3-57 

 3 -49 3 -57 

 [3 -33 



3 -25 

 2-82 

 2 -59 



2 18 

 2-16 

 2 -13 

 2 -00 

 1 -96 

 1 -85 

 1 -78 

 1 -59 



25 -71 



25 -95 



26 -38 



26 -61 



26-93 



27 -02 

 27 -04 

 27 -07 

 27 -20 

 27 -24 

 27 -35 

 27 -42 

 27 -61 



T = 29 -20 



