HABIT FORMATION IN ALBINO RATS 17 

 TABLE Ila— (Continued) 



Day 86 Day 87 Day 88 Day 89 Day 90 



Sixth Average 5.158 5.158 5.158 5.158 5.158 



Seventh Average 6.170 5.633 6.364 5.947 11.553 



Day 91 Day 92 Day 93 Day 94 Day 95 



Sixth Average 5.158 5.158 5.158 5.158 5.158 



Seventh Average 7.170 10.730 8.296 7.719 6.353 



Day 96 Day 97 Day 98 Day 99 Day 100 



Sixth Average 5.158 5.158 5.158 5.158 5.158 



Seventh Average 7.364 6.679 7.736 7.604 7.559 



Failed Days required 

 to learn to learn 



Sixth Average 32.93 



Seventh Average 2 44 .00 + 



TABLE lib 



The Maze 



Average Absolute Retention of Sixth and Seventh Gener.4tion Inbred Rats 



Absolute Retention 

 after 60 Days' Rest 



Sixth Average 65 . 443 seconds 



Seventh Average 126 . 680 seconds 



TABLE lie 



The Maze 



Daily Relearning Averages of Sixth and Se\'Enth Gener.\tion Inbred Rats 



(Time in seconds) 



Day 1 Day 2 Day 3 Day 4 Day 5 



SixthAverage 31.866 10.357 11.043 9.009 8.071 



Seventh Average 45.352 17.392 7.344 11.104 8.064 



Day 6 Day 7 Day 8 Day 9 Day 10 



SixthAverage .'. 8.174 7.426 6.351 6.111 6.129 



Seventh Average 6.264 8.312 7.456 6.584 7.936 



Day 11 Day 12 Day 13 Day 14 Day 15 



SixthAverage 6.163 6.054 5.886 5.660 5.563 



Seventh Average 6.304 5.720 6.576 5.656 5.656 



Day 16 Day 17 Day 18 Day 19 Day 20 



SixthAverage 5.628 5.674 5.689 6.163 5.740 



Seventh Average 5 . 656 5 . 6o6 5 . 656 5 . 6o6 5 . 6d6 



Day 21 Day 22 Day 23 Day 24 Day 25 



SixthAverage 6.186 5.897 5.911 6.206 5.811 



Seventh Average b . 6o6 5 . 6o6 5 . 6o6 5 . 6o6 5 . 6o6 



Day 26 Day 27 Day 28 Day 29 Day 30 



SixthAverage 6.349 5.711 6.006 5.909 5.874 



Seventh Average 5 . 6o6 5 . 6o6 5 . 6o6 5 . 656 5 . 6o6 



