45 
Table No. 20 .— Sensitized guinea pig serum plus normal horse serum — Continued. 
experiment no. 1 — continued. 
G. P. No. 
G. P. 
weight. 
First injection. 
Inter- 
val, in 
days. 
Second injection. 
Result. 
11016 
Controls. 
0.245 c. c. toxine 9+1/660 
c. c. antitoxic horse se- 
rum (Alex. A245). 
60 
0.1 c. c. equal mixture of 
sensitive guinea pig and 
normal horse (Frank) 
serum, into brain. 
Dead in 6 minutes. 
10994 
0.245 c. c. toxine 9+1/520 
c. c. antitoxic horse se- 
rum (Alex. A249). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Severe symptoms. 
10017 
0.245 c. c. toxine 9+1/640 
c. c. antitoxic horse se- 
rum (Alex. A249). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Very severe symp- 
toms. 
10990 
0.245 c. c. toxine 9+1/320 
c. c. antitoxic horse se- 
rum (Alex. A245). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Dead in 12 min- 
utes. 
10970 
0.245 c. c. toxine 9+1/220 
c. c. antitoxic horse se- 
rum (Alex. A245). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Severe symptoms. 
10989 
0.245 c. c. toxine 9+1/320 
c. c. antitoxic horse se- 
rum (Alex. A245). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Dead in 11 min- 
utes. 
10987 
0.245 c. c. toxine 9+1/330 
c. c. antitoxic horse se- 
rum (Alex. A245). 
60 
0.1 c. c. equal mixture of 
normal guinea pig and 
normal horse serum, in- 
to brain. 
Very severe symp- 
toms. 
EXPERIMENT NO. 2. 
Ill 
0.01 c. c. normal horse 
(Frank) serum, subcu- 
taneously. 
56 
0.1 c. c. equal mixture of 
sensitive guinea-pig se- 
rum and normal horse 
serum, into brain. 
Severe symptoms. 
112 
0.01 c. c. normal horse 
(Frank) serum, subcu- 
taneously. 
56 
0.1 c. c. equal mixture of 
sensitive guinea-pig se- 
rum and normal horse 
serum, into brain. 
Very severe symp- 
toms. 
113 
0.01 c. c. normal horse 
(Frank) serum, subcu- 
taneously. 
56 
0.1 c. c. equal mixture of 
1 sensitive guinea-pig se- 
rum and normal horse 
serum, into brain. 
Severe symptoms. 
114 
0.01 c. c. normal horse 
(Frank) serum, subcu- 
taneously. 
56 
0.1 c. c. equal mixture of 
sensitive guinea-pig se- 
rum and normal horse 
serum, into brain. 
Very severe symp- 
toms. 
115 
0.01 c. c. normal horse 
(Frank) serum, subcu- 
taneously. 
56 
0.1 c. c. equal mixture of 
sensitive guinea-pig se- 
rum and normal horse 
serum, into brain. 
Severe symptoms. 
