1878.] on Destroying the Activity of Cobra Poison. 469 



3.42 p.m. Not apparently affected. 



3.52 ,, Crouching ; does not appear affected, but is weak in the 

 hind legs when he runs. 



4.10 p.m. Very little affected ; hind legs weaker, but he is very active 

 otherwise. 



4.20 p.m. Much the same ; active, except that hind legs seem rather 

 weak. 



4.55 p.m. Remains the same. Recovered perfectly without any 

 further symptoms. 



In order to make sure that the dose of cobra poison would certainly 

 prove fatal if administered alone, the animal, after its recovery, was 

 injected with a quantity of pure cobra poison, fifteen times less than 

 that from which it had recovered, and, as will be seen from Experi- 

 ment VI, death rapidly occurred. 



♦ 



Experiment VI. 



March 14th. White guinea-pig that recovered from 30 mgms. of 

 cobra poison, mixed with chloride of gold. 



, At 4.45 p.m., 2 mgms. of cobra poison were injected into the hip. 

 4.50 p.m. Very restless ; scratching his skin. 

 4.52 „ Twitching ; very restless. 

 4.59 ,, Squeaking; very restless. 

 5.10 ,, Injected leg weak ; not so restless. 



5.15 ,, Trying to vomit; twitching movement of head, jerking 

 upwards ; violent efforts to vomit ; a sort of cough ; flows from nos- 

 trils and mouth ; getting gradually paralysed, he still crawls ; nearly 

 violent efforts to vomit. 



5.24 p.m. The animal creeps along, putting his head along the 

 ground. 



5.26 p.m. Apparently dead ; heart still beats. 



At 4.45 p.m. the injection was made, and at 5.26 p.m. the animal was 

 dead. Death in 41 minutes. 



Experiment VII shows that chloride of gold is a chemical, and not 

 a physiological antidote, and does not prevent the action of tbe poison 

 after its absorption. 



Experiment VII. 

 March 14th. Guinea- pig, weight 16 oz. 



5 mgms. of cobra poison dissolved in 1 cub. centim. of water, and 

 injected into the right hip at 3.39 p.m. 



In 3 minutes afterwards 1^ cub. centims. of a 10 per cent, solution 

 of chloride of gold were injected into another spot (the left hip, at 

 3-42). 



3.43 p.m. Very restless. 



3.45 ,, Very restless ; head twitching ; drops the left leg. 



