REACTIONS OF FROGS TO CHLORIDES 



603 



TABLE 1 



Reaction-times in seconds of four frogs (A-D) to chlorides of potassium, sodium. 

 ammonium, and lithium. Strength of solutions, 3 m. Date: April 13. 



Frog A 



2 Only the ad ual number <>f read ions is used in computing the averages. 



