Treatment by the Immunity-Serum. 67 



Forty minutes after this, 10 c.c. of the lime solution 

 were injected. Cured. 



Treatment by the Immunity- Serum. 



" The serum used was obtained from five rabbits, 

 which had been rendered proof against the action of 

 from 20 to 26 milligrammes of cobra venom. 



" (1) Rabbit, weighing ]'870 k. Inoculated in the 

 left foot with 1 milligramme of venom. Half an hour 

 afterwards, a subcutaneous injection of 6 c.c. of the 

 immunity-serurn under the skin of the abdomen. 

 Cured. 



"(2) Rabbit, weighing 1 -780 k. Inoculated with I 

 milligramme of venom. One hour after, 6 c.c. of the 

 serum injected, half under skin and half into the peri- 

 toneal cavity. Cured. 



" (3) Rabbit, weighing 1-830 k. One milligramme 

 of venom injected. One hour and a quarter afterwards, 

 6 c.c. of the serum under the skin. Cured. 



" (4) Rabbit, weighing 1 '550 k. One milligramme 

 ot venom injected. One hour and twenty minutes 

 afterwards, 6 c.c. of the serum injected under the skin. 

 Dead after eight hours. 



" (5) Rabbit, weighing 1*900 k. One milligramme 

 of venom. One hour and thirty-one minutes after, 8 c.c. 

 of the serum. Cured. 



" (6) Rabbit, weighing 2-220 k. One milligramme 

 of venom injected. Treated one hour and seventeen 

 minutes afterwards by an injection of only 2 c.c. of 

 serum from a rabbit which had received in all 26 milli- 

 grammes of cobra venom. Cured. 



