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Xll. Letter fromWi-LLi AM Blatud, Jim. Esq., of New Place in 

 the Parish ofHartlip, nearSiftingbourne, Kenf^ to Dr.Buck- 

 land; recording a Series of Observations made by himself, on 

 the Rise and Fall of Water in Wells in the County of Kent.* 

 Sir, 

 TOURING the last twelve years I have been induced from 

 *-^ motives of curiosity, to fathom the water in my well, of 

 14-0 feet deep, once every month. I have kept a correct ac- 

 count of these observations, as well as of others founded upon 

 them ; and conceiving the results to be rather new, I am 

 prompted thus to intrude myself upon your notice, that you 

 may pass your opinion upon them. 



The Table No. I. exhibits the rise and fall of the springs 

 in New Place well, from January 1819 to June 1831. On 

 inspection of this, you will find that the depth of water is al- 

 most invariably greatest at and about the longest day, and as 

 invariably least at and about the shortest day. Observing 

 this, I for more than one year ascertained the quantity of rain 

 which fell in this neighbourhood ; and at the same time noted 

 the quantity of evaporation. These results you will find in 

 Table No. II., which shows the quantity of rain to exceed 

 that of evaporation by a few inches only. 



I have compared these Tables with those published in Ma- 

 gazines and Almanacks, and was happy to find a sufficient 

 correspondence between the accounts taken from near London 

 and Gosport, and my own at Hartlip, to allow me to enter- 

 tain some hopes of their correctness. 



Conceiving that the example of one well was not sufficient 

 evidence, I determined to examine others; and with the assist- 

 ance of two excellent friends, Sir J. M. Tylden of Milsted, 

 and the Rev. F.Wollaston, (late of Rainham,) I made a regu- 

 lar survey of a district of some miles in extent, employing a 

 level as we proceeded. 



We commenced with our level on the sea ooze near Up- 

 church (see Table No. III. and Section No. 3.), which is a 

 place that borders the Medway, lying between Rochester and 

 Sheerness. From Upchurch we took the line of country, ex- 

 amining the wells in our way, to the top of Boxley Hill on 

 the summit of the chalk range; thence to Maidstone, when 

 we again came to the river Medway, flowing upon the green- 

 sand. This formation we levelled, going over Coxheath to 

 Style Bridge, where we came to the Weald clay ; which, to- 

 gether with the ironstone district as far as Goudhurst, passed 

 under our inspection. Thus, one line of country was com- 

 pleted. Another line was taken (see Table No. IV. and 

 * Communicated by Dr. Bucklaad : see our last Number, p, 68. — Edit. 



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