10 



GARDNER CHENEY BASSET 



TABLE la— Continued 



Inbred Average . . 

 Control Average. 



Inbred Average . . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average . . 

 Control Average. 



Inbred Average. . 

 Control Average. 



Inbred Average.. 

 Control Average. 



Inbr d Average. . 

 Control Average. 



Day 46 



6.734 

 5.282 



Day 51 



5.844 

 5.322 



Day 56 

 5.924 



5.286 



Day 61 

 8.347 

 5.398 



Day 66 

 5.88U 



5.345 



Day 71 

 5.419 



5.244 



Day 76 

 5.686 



5.183 



Day 81 



6.095 

 5.263 



Day 86 

 5.495 



5.288 



Day 91 



5.829 

 5.257 



Day 96 

 5.893 



5.217 



Day 47 



7.400 

 5.162 



Day 52 

 5.522 



5.360 



Day 57 



5.640 

 5.181 



Day 62 

 6.442 



5.952 



Day 67 



O.630 

 5.339 



Day 72 

 5.737 



5.170 



Day 77 

 5.798 



5.288 



Day 82 



7.335 

 5.236 



Day 87 

 5.316 

 5.156 



Day 92 

 7.015 

 5.095 



Day 97 

 5.665 



5.149 



Failed 



to learn 



2 



1 



Day 48 

 6.602 



5,147 



Day 53 



5.353 

 5.192 



Day 58 

 5.458 



5.358 



Day 63 



6.177 

 5.743 



Day 68 



5.442 

 5.173 



Day 73 

 5.457 



5.130 



Day 78 



5.817 

 5.170 



Day 83 

 5.379 

 5.211 



Day 88 

 5.560 

 5.181 



Day 93 

 6.204 

 5.141 



Day 98 

 6.017 

 5.118 



Day 49 

 5.713 

 5.198 



Day 54 



5.416 

 5.615 



Day 59 



5.621 

 5.286 



Day 64 

 5.425 



5.299 



Day 69 



5.821 

 5.360 



Day 74 

 5.587 



5.206 



Day 79 



5.627 

 5.143 



Day 84 

 5.535 



5.208 



Day 89 



5.421 

 5.152 



Day 94 

 6.011 

 5.210 



Day 99 

 5.973 



5.187 



Day 50 



5.840 

 5.223 



Day 55 



5.707 

 5.261 



Day 60 

 6.740 



5.257 



Day 65 



5.686 

 5.288 



Day 70 



5.396 

 5.223 



Day 75 

 5.928 

 5.110 



Day 80 

 5.432 



5.421 



Day 85 



6.345 

 5.160 



Day 90 

 7.290 



5.152 



Day 95 

 5.556 



5.166 



Day 100 



5.958 

 5.215 



Days required 

 to learn 

 36.62 + 

 24.67 + 



TABLE lb 



The Maze 



Average Absolute Retention of Inbred and Normal Control Rats 



Absolute Retention 

 after 60 days' rest 



Inbred Average 81 . 558 seconds 



Control Average 59 . 640 seconds 



