10 
Table No. 4.- — Relation of amount to sensitization — Continued. 
G.P. 
No. 
First injection. 
Inter- 
val in 
days. 
Second injection. 
Result. 
1172 
8 c. c. normal horse (roan) se- 
14 
0.25 c. c. normal horse (roan) 
Severe symptoms. 
rum subcutaneously. 
serum into brain. 
1173 
.do 
17 
do 
Severe symptoms. 
1174 
do 
24 
do 
Severe symptoms. 
1175 
do 
38 
do 
Severe symptoms. 
1177 
do 
110 
0.5 c. c. normal horse (roan) 
Very severe symp- 
serum into brain. 
toms. 
1176 
do 
1.55 
0.25 c. c. normal horse (roan) 
Very severe symp- 
serum into brain. 
toms. 
1178 
do 
245 
0.2 c. c. normal horse (roan) 
Mild symptoms. 
serum into brain. 
