lO y^ L E T T E R /(9 



they may ferve pretty well, I hope, to give 

 an Idea of what they are intended to 

 fliew "^. 



You, Sir, who know my Way of thinking, 

 will not I am perfuaded fo far miftake me, as 

 to imagine I am attempting, by this Effay, 

 to vie either with yourlelf, or Mr. Trem- 

 bled ; but it may not be improper to affure 

 that Gentleman and the World, who are not 

 fo well acquainted with me, that I am as 

 far from, as unequal to, fuch a Defign ; and 

 that my real and only Motive to the many 

 Experiments I have made, to the Care I 

 have taken in propagating thefe Creatures, to 

 the Readinefs wherewith I have fent Num- 

 bers of ihem to Oxford and Cambridge, and 

 difperfed them, as much as I have been able, 

 amongfl the Curious, and to this prefent Un- 

 dertaking, has been to vindicate the Truth : 

 which fufFers fometimes for want of proper 

 Means to prove it: and to difplay before 

 Mankind, a new Inflance of the amazing 

 Power of the Creator. 



Permit me, Sir, e*er I proceed farther, 

 to pay my Thanks to You, and to feveral 

 other ingenious Gentlemen, who have obli- 

 ged me with their Company and Affiflance 

 atmianyofmy Experiments; and particularly 



* Thefe Draughts were taken from the Microfcope, as 

 magnified by the fifth or fixth Glafs, which enlarges the Ob- 

 je6l no more than what is jufl fufiicient to Ihew it diHint^ and 

 clear, 



t# 



