498 PREHISTORIC E UR OPE. 



surfaces. Mr. Nathorst informed me that during his visit in 

 1860 he observed at Dickson's Bay a shell-bank resting upon a 

 striated rock-surface, the strise running parallel to the direction 

 of the fiord. 1 



1 See Professor Heer's paper : K. Svenska Vet.-Akad. Eandlingar, Bd. viii. 

 No. 7, p. 80 ; and Professor Nordenskiold's " Spitzbergens Geologi,"op. cit., Bd. 

 vi., No. 7, p. 34. An English translation of this last-mentioned paper (Sketch of 

 Geology of Spitsbergen, Stockholm) was published in 1867. 



