54 THE MILK QUESTION 



digest the tough, lumpy curds which form from cow's 

 milk. Woman's milk curdles into a soft mass which is 

 broken into numberless small particles. Evidently the 

 stomach of the infant fed with cow's milk is overtaxed try- 

 ing to break the tough curds into particles small enough for 

 complete digestion. It is therefore evident that even if we 

 could secure cow's milk, the chemical composition of which 

 was exactly the same as that of human milk, it would still 

 be far from a perfect substitute unless it behaved similarly 

 in the digestive tract. 



