134 September 1748. 



formerly covered a part of them. For 

 many are broken in a peculiar manner, but 

 the higheft are plain. 



7. When the favages are told, that {hells 

 <are found on thefe high mountains, and 



that from thence there is reafon to believe 

 that the fea muft formerly have extended to 

 them, and even in part flown over them ; 

 they anfwer that this is not new to them, 

 they having a tradition from their anceftors 

 among them, that the fe^ formerly fur- 

 rounded thefe mountains. 



8. The water in rivers and brooks like- 

 wife decreafes. Mills, which fixty years 

 ago were built on rivers, and at that time 

 had a fufficient fupply of water alnioft all 

 the year long, have at prefent fo little, that 

 they cannot be ufed, but after a heavy rain, 

 or when the fnow melts in Ypring. This 

 decreafe of water in part arifes from the 

 great quantity of land which is now culti- 

 vated, and from the extirpation of great 

 forefls for that purpofe. 



9. The fea-fhore increafes likewife in 

 time. This arifes from the quantity of 

 fand continually thrown on fhore from the 

 bottom of the fea, by the waves. 



Mr. Bartram thought that fome peculi- 

 ^x attention fhould be paid to another thing 

 relating to thefe obfervations. The fliells 



which 



