PRIMACY IN THE LEARNING OF A PIG 67 



Seventh Day (Afternoon. Feeding place changed to B) 



First feeding. He ran directly to A looked over cautiously, 

 then jumped into B. 



Second feeding. He ran to B side, near partition, looked 

 over and jumped into B side. 



Third feeding. Directly over B side near partition. 



Fourth and fifth feeding. Same as third. 



Sixth and Seventh feedings. Bee-line from O to B. 



Eighth Day (Morning. Feeding place changed to A) 



First feeding. In bee-line toward B, looked over K, and put 

 fore feet over K, then drew back and jumped into A. 



Second, third, fourth, and fifth feedings. Bee-line from O 

 to A. 



Eighth Day (Afternoon. Feeding place changed to B) 



First feeding. Bee-line for A, quickly out and into B. 



Second feeding. Directly to A side, looked over, then into B. 



Third feeding. Same as second. 



Fourth feeding. Directly to B side near partition and into B. 



Fifth feeding. Bee-line from O into B. 



The following figures show the number of times the pig was 



fed A and B respectively and the number of right and wrong 



trips to each. 



No. times Wrong No. times Wrong 



fed in A trips to A fed in B trips to B 



First Day 3 



Second Day 7 7 



Third Day 2 5 



Fourth Day 3 



Fifth Day 7 4 



Sixth Day 5 6 



Seventh Day (Morning) 3 2 



Seventh Day (Afternoon) 1 7 



Eighth Day (Morning) 5 1 



Eighth Day (Afternoon) . 3 5 



18 18 33 7 



While in all, the pig was fed 18 times in A and 33 times in 

 B, he wrongly entered B (i. e. when the food was placed in A), 

 7 times and wrongly entered A 18 times or, 33.3 per cent, and 

 54.5 per cent of the responses, respectively, were wrong. 



It took only the first feeding to establish a direct pathway 

 from O to A, but after two repetitions of this trip it took ten 



