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The young of all the ruminant animals, fed on milk of a 

 much more acefcent nature, fuffer no inconvenience from this 

 fource. 



History furniflies examples of whole nations ufing foui* 

 curdled milk as part of their daily food ; we cannot fuppofe 

 that fuch a pradice would be continued were it often followed by 

 pernicious effeds. 



Registers of births and deaths prove that in one fituation a 

 half of the whole human race born dies under the age of two 

 or three years ; whereas in another fituation one half fhall live 

 to the age of thirty-five or forty years and upwards. 



From the fame authority it appears, that in every fituation 

 and country a much greater proportion of the male fex dies 

 than, of the female, and particularly in early infancy. In the 

 Lying-in-hofpital of this city, during a period of about twenty- 

 feven years, of three thoufand one hundred and ten infants 

 dead under the age of fourteen days, one thoufand feven hundred 

 and feventy-two were of the male fex, one thoufand three 

 hundred and thirty-eight of the female ; the deaths of the former 

 exceeding that of the latter nearly by one third. 



Such are my reafons for doubting of the prevailing opinions 

 concerning human milk and the origin of infantile difeafes. 

 Neither the afFedation of fingularity, nor the defire of fubftituting 

 any new theory in place of that commonly received, have had 

 any fhare in prompting mc to ftate thefe doubts to this Academy. 



B b I have 



