I 



80 



BOTANICAL GAZETTE 



[JANUARY 



narcosis without injury by means of ether, chloroform, and alcohol 

 than by means of KCN. 



* 



The fact that KCN resembles typical anesthetics (such as 

 ether and chloroform) in producing a temporary decrease in per- 

 meability does not, in the opinion of the writer, show that anesthesia 

 is a form of asphyxiation. It seems quite probable that the 

 decrease of permeability and the anesthesia produced by KCN 

 have connection with its effect on oxidation. 



Laboratory op Plant Physiology 

 ' Harvard University 





