1881.] Poisons of certain Indian Venomous Snakes. 



347 



!So. 5. — Continuous Tracing of Respiratory Movements of Dog from 

 the moment of Intravenous Injection of Cobra Poison till Death. 



1 ' 















t Infection 









m 







3v~ 



freely, and salivation is a most marked and constant symptom. 

 It is rarely absent either in men or in dogs. Saliva often runs in 

 streams from the mouth. The whole of the mucous tract is 

 also in an active state of secretion. After the stomach has been 

 thoroughly emptied by vomiting, the animal will often bring up 

 repeatedly large quantities of mucus, and mucous discharges are also 

 frequently evacuated from the rectum. The respiratory mucous 

 membrane is also similarly affected. Little can be known of its action 

 on the liver or kidneys, the time of observation being so short ; in the 

 more chronic cases the kidneys often act freely, but sometimes there 

 is a diminution of urine. 



There is but little evidence of the effect of cobra poisoning on the 

 blood. The blood is clearly the carrier of the poison to the system, 

 and it is necessary for it to be some short time present in the blood 



VOL. XXXII. 2 B 



