70 



ELIZABETH LOCKWOOD THOMPSON 



TABLE XI— (Continued) 



Summary — Snail No. 10 — (Continued) 



No. of 

 days 

 tested 



17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 

 31 

 32 

 33 



Total number of trials 214 



Total number of correct trials 75 appro.ximately 35% 



Total number of incorrect trials 139 approximately 65% 



