[ 177 J 



thus feparating and producing very troublefome obftrudion?; 

 but this we know does not take place. 



That the powers of an infant's ftomach may produce efFeds 

 on milk which no other povv'cr can, is extremely pofTible; but 

 that it cannot create any new principle, or caufe a reparation of 

 a principle which it does not contain, can hardly be doubted. 

 Repeated experiments have fhewn that the ftomachs of ruminant 

 animals for fome time after death poffefs fome of their moft 

 remarkable powers while living, and particularly that of coagu- 

 lating milk ; there is every reafon to exped the fame of the 

 human ftomach^ and in feveral trials we have not been dif-- 

 appointed. 



I TOOK out the ftomach of a foetus deprived of life in the 

 birth by leflening the bulk of its head. The gaftric fluids 

 in fuch a ftomach could neither be altered by difeafe nor the 

 admixture of food. I infufed it in a fmall quantity of hot 

 water, fo as to make what might be confidered a ftrong infufion. 

 To equal quantities of cows and human milk I added a tea- 

 fpoonful of the above infufion ; in a fhort time the cows milk 

 was firmly coagulated, the human not in the leaft changed. At 

 the end of the firft hour I added a fecond tea-fpoonful of 

 runnet to the human milk, and foon after a third, without 

 producing the fmallcft perceptible tendency to coagulation. 



Upon the whole then I am perfuaded it will be found that 

 human milk, in an healthy ftate, contains little or no curd, and 



A a that: 



