148 ON DESTKOYING THE ACTIVITY OF COBRA-POISON. 



Experiment XVIII. 

 April 4th, 1878. — Guinea-pig weighing 1^ lb. 

 4.11' 10" P.M. Injected 3 centigrammes of cobra-poison. 

 4.13 P.M. Chloride of gold solution, 1 in 10; ligature kept on 

 until chloride of gold was applied. 



4.15 P.M. Twitching. 



4.16 „ Leg paralysed. 



4.17 „ Animal nearly paralysed. 



4.19 „ Animal dying. 



4.20 „ Convulsions. 

 ' 4.22 „ Dead. 



Experiment XIX. 



April 4th, 1878. — Guinea-pig weighing 1| lb. Injected 

 4 centigrammes of cobra-poison into leg. 



4.1 P.M. Ligature applied immediately. Permanganate of 

 potash applied immediately. 



4.5 P.M. Twitching. 



4.10 „ Dying. 



4.13 „ Convulsion. 



4.14 „ Dead. 



Experiment XX. 



April 4th, 1878. — Guinea-pig weighing 1 lb. 



3.45' 20" P.M. Injected f gr. = 4 centigrammes of cobra- 

 poison under skin of leg. A ligature was applied round the 

 leg in one minute, and in five minutes permanganate of potash 

 was rubbed into an incision made over the site of injection. 



3.52 P.M. Ligature cut. 



3.53 „ Twitching violently ; leg paralysed. 

 3.55 „ 



3.57 „ Dying. 



3.58 „ Dead — less than 13 minutes. 



