Penfyhania, Philadelphia. 105 



jeft, fay, that this opening was made by the 

 vil, as he wanted to go out of Penfyhania into 

 New Tor k. 



6. THE whole appearance of the blue moun- 

 tains plainly {hews, that the water formerly co- 

 vered a part of them. For many are broken in a 

 peculiar manner, but the higheft are plain. 



7. WHEN the favages are told tbat (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 ancestors among them, that the fea formerly 

 furrounded thefe mountains. 



8. THE water in rivers and brooks likewife 

 decreafes. Mills, which fixty years ago were built 

 on rivers, and at that time had a fufficient fupply 

 of water almoft all the year long, have at prefent fo 

 little, that they cannot be ufed, but after a heavy 

 rain, or when the fnow mdts in fpring. This 

 decreafe of v/ater, in part, arifes from the great 

 quantity of land which is now cultivated, and 

 from the extirpation of great forefts for that pur- 

 pofe. 



9. THE fea-fhore increafes likewife in time. 

 This arifes from the quantity of fand continually 

 thrown on fliore from the bottom of the fea, by 

 the waves. 



MR. Eartram thought that fome peculiar at- 

 tention fliould be paid to another thing relating 

 to thefe qbfervations. The {hells which are to be 

 found petrified on the northern mountains, are of 

 fuch kinds as, at prefent, are not to be got in the 



fea, 



