324 Letters Mr. R ay, 
attempted the Difcovery of its Man- 
ner of Generation, and do guefs it 
would be a very hard Talk to find it 
out. 
Your Difcovery of the long-beating 
Death-Watch I read the Account 
of in the Philofophical TranfaBionSy 
foon after the Publication of it, with 
great Satisfadion ; its Noife is more 
agreeable to the leifurely and conftant 
Tick of the Death-Watch commonly 
oblerved, than that of Mr. M//e«’s. It 
is time that I put a Period to this 
Letter, the Remainder being only, 
that I am, 
5' I Ry 
Your Sy hi all 0 Juices 
of Love and ServicCy 
John Ray, 
Mr. 
