40 



THOMAS WILLIAM BROCKBANK 



TABLE VII-A 



30-Day Period. 1 Trial per Day 



Norm: When The First Rat Finished 



" Errors " At Turns 



Last 15 Trials of Learning; Complete Redintegration 



* First to complete norm. 



five had 13 perfect trials in the last 15 trials of learning; 

 second, that rat 2 is the best in redintegration in point 

 of perfect trials; and finally that rat 5 is the only rat which 

 did not make as many or more perfect trials in redintegra- 

 tion as in learning. It may be inferred from these facts 

 that, first, either rat 5 did not retain as well as the 

 other rats due to innate constitution, to some metabolic 

 distrubance during retention, or to some extraneous dis- 

 turbance; or second, at that particular time, when rat 5 

 completed the norm of learning, perfect integration was 



