* 'm or rotted Sedge in the fenny parts next the high 
* ^untry ^ the whole Level is about 50 miles in length, and 
* miles over in the broadeft parts. No Record (^Printed 
^ or MSj)or Tradition whatfoever, f that I ever heard of) 
teJI us when thefe Mutations here difcoverable hap- 
' pened. 
*One thing further I will add, that lately at the laying 
^ of the prefent new Sluice or Goat (as 'they c ill it) at the 
* end of Bamorebeck,^^ its fall into BoJIon Haven, taking up 
' the foundation of the old Goat, they met with the roots 
of Trees, many of them iffuing from their feveral Boles 
* or Trunks, fpread in the Ground, which when they had 
*takea up (floots and Earth they grew in) they met with 
' a folid Gravelly and Stony Soil of the high Country kind, 
^ (but black and difcoloored by the change that had befaln 
* it) upon which hard Earth they laid theFoundatlonof this 
* new Goat, where thefe Roots were dug up, w,as certainly 
* the furfaceof the old Country, the certain depth whereof 
* I cannot now tell you, but that it was much deeper than 
* that Sit Spddmg, as the Land is there at prefent highen 
' The Archimedean Sc^ew, or Screw-like Trunk or Cylinder, 
' by which the Workmen cleared themfelves oi Water -was 
* very pretty. 
The matter of fadi in thefe Relations is indifputable^ 
this worthy Perfon being an Eye-witnefs, whofe Letter 
coming to hand when I was reading Mr Rays Phy- 
fico»Theoiogic?il Trad , concerning the great changes 
made in the Terraqueous Globe, I took it for an expe- 
rimental confirmatioh of his Sentiments, that the great 
Level ot the Feis running thro Holland in Lincoln- 
flnre, the Ifle of E/j^ m Qimhridgefhlre and MdHhland in 
Norfolk, was fometimcs parr ot the Sea, and acicratcd by 
Earth brought down by Floods from the upper Grounds, 
by the great quantity of Mud there fiLN]'';., iiah by 
degrees raifed it up. When yoa. fee or vvrus- 10 di>u Li- 
genious Gentleman, pleafe to prefent myliurnble bcrvice co 
