( i ) 
VI H. A Letter from Mr. Thomas Jones to 
James Jurin, M. T>. F.%S. and Fellow of 
the Royal College of Fbyficians, London, 
concerning the High Tide in the F^iVer 
Thames, on Feb. 16, 1735-6. 
SI R, 
A S you was pleafed to defire an Account of the 
Tide’s flowing on the 8th of March , 1725-6, 
which then flowed twenty Foot five Inches and a 
half, as I took it by a Level from that High Water 
Mark to Low Water the next Morning, and was 
four Inches higher than had been known for forty 
Years before. 
I have now to add, that having mark’d that High 
Tide on a Poll, on Monday the 16th Inftant the 
Tide role at the fame Place fix Inches and three 
Quarters above that Mark, and flowed near two 
Foot the laft half Hour but one before High Water. 
I am, 
SIR, 
New-crane, Feb. Tour tnoji humble , and 
1 7th, 1735-6. obedient Servant, 
THO. JONES. 
N. B. If the Tide had flowed its full Time," it 
would have flowed half an Hour longer, and had 
drowned the whole Level. 
IX. AfFedus 
