ZOOGENESIS 



in the hand is continued throughout life. We notice 

 it in both men and women, and we find it equally 

 conspicuous in the streets of a large city and along 

 country lanes. 



The predilection for hard and rough objects, the 

 whacking propensity, and the constant desire to hold 

 something in the hand are so very characteristically 

 human and appear so very early that there must be 

 something of fundamental import and significance 

 behind them. They seem to point especially to the 

 human hand and in some way to show that there is a 

 deep seated and a far-reaching difference between the 

 human hand and the monkey's paw. 



Every parent has noticed that at times babies are 

 fearfully destructive. They delight especially in de- 

 stroying books and magazines and flimsy toys. De- 

 struction for destruction's sake seems to be a peculi- 

 arity of the baboons, for baboons if they gain entry 

 to a house will more or less completely wreck every- 

 thing that can be wrecked. But it is not a peculiarity, 

 so far as can be learned from the literature, of the 

 more man-like monkeys. 



Leaving the individual baby, let us now consider 

 the human family. Perhaps the most important 

 social difference between man and the apes is corre- 

 lated with the fact that in man the ministrations of 

 both parents or their equivalent are necessary in the 

 raising of a family. A woman cannot raise a family 

 unaided. She must have the assistance of a husband 

 or, in the more complicated social systems, of other 

 members of the social unit. Interdependent with this 



t7] 



