230 
The following table shows the acidity and alkalinity of normal 
rabbit serum:— 
Sex 
F. 
M. 
F. 
F. 
F. 
F. 
M. 
F. 
F. 
F. 
F. 
F. 
M. 
F. 
F. 
M. 
F. 
F. 
F. 
F. 
F. 
M, 
F. 
M. 
F.. 
Acidity to 
phenolphthaleine 
Acidity to 
Congo red 
Alkalinity to 
dimethvl 
0-03175 
_ 
. 
... 
0-03325 
_ 
— 
... 
0-03075 
0-03180 
_ 
— 
... 
0-03075 
_ 
0-03120 
_ 
■ 
0-03090 
_ 
■ 
0-03120 
_ 
_ 
0-03015 
_ 
... — 
0-03175 
_ 
... — 
0-03075 
_ 
_ 
0-03120 
_ 
_ 
0-03015 
_ 
— 
0-03150 
— 
... _ 
0-03075 
0-03075 
... 0-02895 
0-03175 
0-03105 
0-02850 
0-03075 
0-03120 
0-02895 
0-03195 
0-03060 
0-02955 
0-03175 
0-0^030 
0-02865 
0-03050 
0-03050 
0-03045 
0-03120 
0-03050 
... 0-03000 
0-03030 
003015 
... 0-02880 
... 
0-03075 
0-03030 
... 0-02850 
0-03180 
0-03075 
... 0-02880 
0-03120 
0-03075 
... 0-02940 
Average 
0 ' 03 *JS Average 
0-03064 
Average 0-03025 
Conclusions. 
/y’ , experimental trypanosomiasis infectioi 
rucet and T. egmperdum), the acidity of the blood increases. 
of amiHn a acidity is probably due to the productioi 
be either sec r/trypanosomes, i.e., the acids mighi 
parasites on th ^ ^ parasites or produced by the action of tht 
amido acids w serum. In the latter case, thf 
into simpler polipepdds"''^^" hydrolysis from the proteins 
assistance in t^e^dilenosi^^^f of acidity might be of 
blood circulation ^ length of time from the 
