30 
Cattle serum. 
G. P. Xo. 206. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Xo symptoms. 
[Previous treatment: 31 days prior, inoculated subcutaneously with T l~o c. c. cattle 
serum.] 
22 days later 6 c. c. cattle serum injected into the peritoneal cavity. Dead in 120 
minutes. 
G. P. Xo. 210. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Xo symptoms. 
[Previous treatment: 31 days prior, inoculated subcutaneously with c. c. cattle 
serum.] 
22 days later 6 c. c. cattle serum injected into the peritoneal cavity. Dead in 45 minutes. 
G. P. Xo. 207. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Xo symptoms. 
[Previous treatment: 31 days prior, inoculated subcutaneously with c. c. cattle 
serum.] 
22 days later 6 c. c. cattle serum injected into the peritoneal cavity. Dead in 90 minutes. 
Sheep serum. 
G. P. Xo. 184. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Xo symptoms. 
[Previous treatment: 30 days prior, inoculated subcutaneously with ^4^ c. c. sheep 
serum.] 
22 days later 6 c. c. sheep serum injected into the peritoneal cavity. Severe symptoms: 
dead in 23 hours. 
G. P. Xo. 182. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Severe symptoms. 
[Previous treatment: 30 days prior, inoculated subcutaneously with ^to c - c - sheep 
serum.] 
22 days later 6 c. c. sheep serum injected into the peritoneal cavity. Severe symptoms. 
G. P. Xo. 190. Four c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Xo symptoms. 
[Previous treatment: 47 days prior, inoculated subcutaneously with c - c - sheep 
serum.] 
1 day later 6 c. c. sheep serum injected into the peritoneal cavity. Severe symptoms. 
G. P. Xo. 183. Four c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Symptoms. 
[Previous treatment: 51 days prior, inoculated subcutaneously with c. c. sheep 
serum.] 
1 day later 6 c. c. sheep serum injected into the peritoneal cavity. Dead in 18 hours. 
G. P. Xo. 181. Same injection and previous treatment. Mild symptoms. 
1 day later 6 c. c. sheep serum injected into the peritoneal cavity. Severe symptoms. 
Dead in 21 hours. 
« Cat serum. 
G. P. Xo. 192. Six c. c. antitoxic horse serum (Xatl. IX. 17) injected into the peritoneal 
cavity. Severe symptoms. 
[Previous treatment: 34 days prior, inoculated subcutaneously with c - c - ca l 
serum.] 
22 days later 6 c. c. cat serum injected into the peritoneal cavity. Severe symptoms. 
