1881.] Poisons of certain Indian Venomous Snakes. 35T 



No. 6. — Tracing of Respiratory Movements in Fowl under the 

 Influence of Daboia Poison. 



Kespiration after the injection of the poison, but still normal. 



Slightly exaggerated breathing, suddenly interrupted by convulsions. 



End of convulsions. 



convulsions. The acceleration of the respiratory movements is most 

 remarkable, as is also the way in which the excursus is exaggerated 

 and maintained ; it is only at the very end of life that the respiratory 

 movement is diminished. 



Chart No. 8 is from a dog, to which sufficient poison was not given 

 to cause convulsions. The very much greater acceleration of the 



