18 



HELEN 



^UBBERT 



The enormous number of figures involved, makes tiie showing 

 of individual records inexpedient. An exact copy of the daily 

 record for rat number fifteen of the twenty-five day group, 

 from the first to the last trial appears as table I. The averages 

 and totals for each rat w^hich appear in table II are obtained 

 by adding and averaging the daily records for the individual 

 rats. The total time, total distance, total number of trials 

 and the absolute time of the twenty-seven rats were added and 

 averaged to give the average total time, the average total dis- 



