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Ohfervatiom on the Properties commonly attributed by medical 

 Writers to HUMAN MILK, on the Changes it undergoes, in 

 Digejiion, and the Difeafes fuppofed to originate from this Source in 

 Infancy. By JOSEPH CLARKE, M.D. M.R.I.A. 



OOME years ago, when I was appointed affiftant to the Read Dec. 

 Lying-in-Hofpital of this city, an uncommon mortahty prevailed "*' '^ 

 among the infants born therein: Induced by this difagreeable 

 neceflity to perufe the works of many of the principal medical 

 writers relating to infailtile difeafes, I was forcibly ftruck with 

 the fimplicity and unifoirrtiity of their pathology on the fubjedt. 

 For more than a century paft it has been very generally fuppofed 

 that the difeafes of infants are all of the fame genus, proceed 

 ixQVti the fame caufes, and differ only in degrees*. Natural 



* Vide Harris de Morbis acutis Infantum. 



Z 2 fehfibility 



