204 Animal Intelligence 
success is represented by the absence of any column. Thus 
the first record reads, ‘‘No. 1 with signal 104 after 40 days 
made 5 failures, then 2 
successes, then 1 fail- 
ure, then 1 success, 
104-40 ios. 3g then 3 failures, then 1 
success, then 1 failure, 
| then 3 successes, then 
i t failure, then 10 suc- 
___ cesses.” The third 
18 Se * 48 record (106; 40 days) 
reads, ‘‘ perfect success 
| in ten trials.” 
106 = 40 B 85 DIscUSSION OF RE- 
SULTS 
; The results of all © 
ioe SO c gs these discrimination 
experiments emphasize 
1 the rapidity of forma- 
a i £ i | f i tion of associations 
i , amongst the monkeys, 
107 88 es ae which appeared in their 
el behavior toward the 
mechanisms. The suddenness of the change in many cases 
is immediately suggestive of human performances! If all 
the records were like c, f, h, i, j, k, 1, m, B, E, and memory 
trials 103, A, B, and C, one would have to credit the animals 
with either marvelous rapidity in forming associations of 
the purely animal sort or concede that from all the objective 
evidence at hand they were shown to learn as human beings 
would. One would have to suppose that they had clear 
