— 



H4 September 1748. 



But this book, did Mr. Bar tram more harm 

 than good; for as he is rather backward in 

 writing down what he knows, this publi- 

 cation was found to contain but few new 

 obfervations. It would not however be 

 doing juitice to Mr. Bartram's merit, if it 

 were to be judged of by this performance. 

 He has not filled it with a thoufandth part 

 of the great knowledge, which he has ac- 

 quired in natural philofophy and hiftory, 

 efpecially in regard to North America. I 

 have often been at a lofs to think of the 

 fources, from whence he got many things 

 which came to his knowledge. I likewife 

 owe him many things, for he pofTefTed that 

 great qualify of communicating every thing 

 he knew. I fhall therefore in the fequel, 

 frequently mention this gentleman. For I 

 mould never forgive myfelf, if I were to 

 omit the name of the firft inventor, and 

 claim that as my own invention, which I 

 learnt from another perfon. 



Many Mufcle fiells, or Mytili anatini, 

 are to be met with on the north-weft fide 

 of the town in the clay-pits, which were at 

 prefent filled with water from a little brook 

 in the neighbourhood. Thefe mufcles feem 

 to have been warned into that place by the 

 tide, when the water in the brook was high. 

 For thefe clay-pits are not old, but were 



lately 



