498 ANIMAL INTELLIGENCE. 



screw, repeating the results of his newly earned knowledge 

 over and over again, till one could not but marvel at the 

 intent abstraction of the ' dumb brute ' — this was so dif- 

 ferent from anything to be met with in any other animal, 

 that I confess I should not have believed what I saw 

 unless I had repeatedly seen it with my own eyes. As my 

 sister once observed, while we were watching him conduct- 

 ing some of his researches, in oblivion to his food and all his 

 other surroundings — 'when a monkey behaves like this, it 

 is no wonder that man is a scientific animal ! ' And in my 

 next work I shall hope to show how, from so high a 

 starting-point, the psychology of the monkey has passed 

 into that of the man. 



