606 



LAWRENCE W. COLE 



TAB LI : 3 



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

 ammonium, and lithium. Strength of solutions. I m. Date: April 27 . 



Frog I 



Salts 



KCl 



NaCl 



XH 4 C1 



LiCl 



Frog J 



Salts. 



Trials 

 1 



2 

 3 

 4 

 5 



Averages. . 



Salts. 



Trials 

 1 



2 

 3 

 •1 

 5 



2.44 



LiCl 



2.0 

 3.0 



4.4 

 2.2 

 4.0 



1.48 



NaCl 



1.6 



1.4 

 2 . 6 

 •2 8 

 4.4 



3.72 



NH4CI 



1.4 

 2.0 

 2.4 

 3.0 



2.8 



Average 



3.12 



1 44 



2 56 



2.32 



