Penfyhania, Philadelphia, 



121 



on uncultivated fields, efpecially when 

 fhrubs grew in them. Its leaves are like 

 thofe of the Senfitive plant, or Mimofa, and 

 have likewife the quality of contracting 

 when touched, in common with the leaves 

 of the latter. 



The Crows in this country are little dif- 

 ferent from our common crows in Sweden. 

 Their fize is the fame with that of our 

 crows, and they are as black as jet in every 

 part of their body. I faw them flying to 

 day in great numbers together. Their 

 voice is not quite like that of our crows, 

 but has rather more of the cry of the rook, 

 or Lmn&us's Corvusfrugikgus. 



Mr. Bartram related, that on his jour- 

 neys to the northern Eriglifi colonies, he had 

 discovered great holes in the mountains on 

 the banks of rivers, which according to his 

 defcription, muft exactly have been fuch 

 giants pots ■,* as are to be met with in Sweden, 

 and which I have defcribed in a particular 

 diflertation read in the Royal Swedijh Aca- 

 demy of Sciences. Mr. Bartram has like- 

 wife add reded fome letters to the Royal 

 Society at London upon this fubjecl. For 



fome 



* In Snveden y and in the north of Germany, the round holes 

 in rivers, with a ftoney or reeky bed, which the whirling 

 of the water has made, are called giants pots; thefe holes are 

 likewife mentioned in Mr. Grojleys new ebfewations en Italy, 

 Vol. I. p. 8. F. 



