BRONCHIAL ACTIOX OF OPIUM ALKALOIDS 



201 



below the sternum. Eemove the spear point from the tube 

 and place on this end a piece of rubber tubing carrying a 

 screw clamp. This is to regulate the amount of air going 

 into the tambour which is attached to the other end of 

 the tube. Clamp the brass tube tightly in the chest walls 



Fig. 192. Blood-pressure and bronchiole tracings showing the action of peronine. 

 "Epinine" failed to cause dilatation of the bronchioles and the animal died of asphyxia. 

 It could easily have been saved by forcibly dilating the lungs mechanically to check the 

 asphyxia. 



