DESTROYING THE ACTIVITY OF COBRA-POISON. 141 



5.23 P.M. In same condition. Makes feeble efforts to rise. 

 Pupils dilated again. 



5.27 P.M. Again tries to rise. Micturition. 



5.29 „ Convulsions. 



5.30 „ Dead. 



No local symptoms, i.e., no extravasation about the puncture. 

 No congestion of stomach or bowels. Stomach empty. Blood 

 coagulated after death. 



Injected at 3.39 p.m. 



Died at 5.30 p.m. 



Death in one hour and fifty-one minutes. 



The following experiments show the effect of chloride of gold 

 In completely destroying the cobra-poison. 



Experiment IV. 



March 7th, 1878: — 3 milligrammes of cobra-poison, mixed 

 with 1 grain of chloride of gold, dissolved in 40 grain measures 

 of water, injected into the hip of a white guinea-pig, weighing 

 18 oz., at 3.50 p.m. 



4.10 P.M. Crouching quietly in corner of box. Tremor, 

 perhaps fright. 



4.15 P.M. Seems uneasy; crouching in corner. No other 

 change. Eecovered without any bad symptoms. 



Experiment V. 



March 14th. — In this experiment a very large dose of poison 

 was used. 



30 milligrammes of cobra-poison, mixed with 1^ c.c. of a 

 10-per-cent. solution of chloride of gold, were injected into a 

 guinea-pig weighing 20 oz., at 3.30 p.m. 



75 c.c. of water was used to wash out glass, and then injected. 

 The poison and the chloride form a yellow creamy precipitate. 



3.30 P.M. Began to jerk and twitch immediately, excited, 

 running about the box. 



3.35 P.M. Crouching in corner, twitching, but not otherwise 

 affected. 



3.42 P.M. Not apparently affected. 



