258 APPENDIX. 
wncCy do difcharge themfelves by Under- cur-» 
rents into the Sea, and that at great Depths 
under Water, particularly at Tort Miou. 
1. And I am credibly informed, that Springs 
which come from the Hills near Folkjlone in 
Kent^ are in like mariner feen to boil up, thro"' 
the Sands at the bottom of the Sea. A Proof 
that the Sea Water does not afcend to the 
Tops of Hills and Mountains, and there form 
Springs and Rivers, but that thefe on the con- 
trary defcend into the Sea. 
3. If the Sea Water percolated up to the 
Tops of Hills, then the high Cliffs immedi- 
ately adjoining to the Sea, fhould be conftant- 
ly dripping with this percolated Moifture, 
whereas they are ufually very dry. Particu- 
larly in the Ifle of (Tight ^ there runs a Ridge 
of Chalk Hills along its Southern Coafl: with 
a high fteep Cliff immediately bordering on 
the Sea, which Cliff is conftantly dry. But 
the Springs running as they are determined 
by the dipping of the Strata of thofe Hills, 
break out on the Northern Side of them, at a 
confiderable Diftance from the Southern Sea, 
where they form many Rivulets which run 
into the Sea, on the Northern Coaft of the 
Ifland. So that we find the Northern Side 
of 
5 
