12 ON THE NATUEE AND ACTION OF THE 



can bring nothing up. He tries to rise, but cannot. Convulsive 

 struggles occur. 



2.25. Breathing has ceased, but the cornea is still sensitive. 

 Convulsive attempts to vomit. 



2.27. Cornea insensible. Heart is still beating strongly. 

 Death soon followed. 



Experiment II. 



A young rabbit, weighing 900 grammes, was used. An 

 incision had been previously made through the skin of the 

 neck and the wound again sown up, but the animal was 

 otherwise uninjured. Two drops of cobra-poison, weighing 

 12 centigrammes, were diluted with 1 c.c. of water. 



At 4,6 the diluted poison was ejected under the skin of the 

 left hip. 



4.7. Washed out the watcli-glass in which the poison had 

 been placed with water, and injected it under the skin of the 

 back. The animal sat quiet after the injection, occasionally 

 licking its fore paws. 



8' 30". Eespiration seems hurried. The rabbit occasionally 

 makes a jerking motion with its hind feet. 



10'. Has been restless, running about, occasionally licking its 

 fore feet. 



13' 30". Still very restless, and when held makes convulsive 

 efforts to get away. Ears are much congested. 



17'. The animal is now quiet. Its ears are no longer 

 congested. 



About 20'. Quiet, with occasional starts. Disinclined to 

 move, but can walk quite well. 



25'. Movements seem difficult, and hind legs seem weak when 

 it tries to walk. 



26'. Paralysis of hind feet is increasing. 



26' 15". The rabbit lays its head down on the table. 



28'. When laid on its side it merely makes a few slight 

 movements with its fore paws and then lies still. The eyes 

 remain in a half-closed condition, and have done so for some 

 time. When the cornea is touched the head gives a jerk, but 

 the eyelids move very little. Eespiration slow and laboured. 



