Letters of Mr. Ray, ^c. 32,5 
Mr. Ray to Mr. Derham. 
Sir, 
I Received yours of the 19th, for 
which I thank you, and acknow- 
ledge myfelf much, obliged to you, 
for being at the Expence of fo much 
Time and Pains to gratify me. 
What you have been pleafed to com- 
municate, concerning the fudden 
Appearance of a vafl: Multitude 
of fmall Frogs, and the Account 
you give of the Place where they 
were generated, and whence they 
did proceed, I have written out and 
fent to London., to be inferted in 
this laft Edition of my Treatife 
concerning the Wifdom of God, 
^c. as alfo what you have impart- 
ed concerning the Ufe of thofe 
extremely fmall Water Infeds or 
Animalcules. 
Y S 
I' 
As 
