Evolution of Intelligence 81 



obtain a standard record of 2:30. This should 

 be evident from the fact that no stalHon ever 

 trotted in standard time before 1858, and that it 

 was not common to train and race stalHons until 

 after 1890. On the mere matter of probabiHties, 

 not one of these 39 stallions should be a horse 

 with a race record, or the son of such a horse. 

 As a matter of fact, 18 of them were horses with 

 race records, and 1 1 of them were sons of horses 

 with race records. 



