Of the Farina Fcecundam 



rina had been applied, were totally 

 dry, and remained unaltered. 



From the precedent Obfervations 

 'tis eafy to infer, that the Farina 

 falling on the Heads of the Piftils 

 diffolves in the Papillae, and the fub- 

 tileft of its Parts only penetrates in- 

 to the Tubes. Mr. Geoff roy had fur- 

 mifed as much long before $ his Sen- 

 timent however in this Particular has 

 hitherto had little more to depend 

 upon than mere Conje&ure, the 

 Action of the Farina upon infufing 

 it in Water having efcaped Obfer- 

 vation till this Time, as appears by 

 the exprefs Affertion of feveral Na- 

 turalifb, who affirm, that Water 

 caufes no Alteration in it. This 

 Miftake is owing to their not being 

 prefent at the Time of Action ; for 

 this Adion in molt Species of Fa- 

 rina, efpecially when frefh gathered 

 and perfectly ripe, begins and ends 

 in four or five Seconds of Time, and 

 requires " that the Obferver fhould 

 have adapted his Microfcope to the 

 due focal Diftance before the Appli- 

 cation of Water. 



The 



