40 



GARDNER CHENEY BASSET 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average. . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



Seventh Average. 

 Eighth Average . . 



TABLE VIb 



The Inclined Plane 



Average Absolute Retention of Seventh and Eighth Generation Inbred 



Rats 



Absolute Retention 

 After 60 Days' Rest 



Seventh Average ., . . . 44.945 seconds 



Eighth Average ' . . . 13 . 825 seconds 



