and Elevations of Scandinavia. 318 
the rocks were dry before these animals were living there; whence 
I read this double conclusion: Ist, that the graving of the rocks 
was anterior to the epoch of the barnacles and serpulas, and 2d, 
that to receive these animals, the coasts of Uddevalla and Chris- 
tiania must have sunk as far at least as would be equivalent to 
the actual height of these fossils. 
at that time the Gulf of Bothnia was not separated from the 
if not decisive, in the destruc- 
tion of the great glaciers. It explains at the same time the colder 
pS tel crn Emin we Ret 
_ new deluge the boulders ie are at — 
rxposed should be covered with gravel, the geologists of future ages wou 
have much more tcoahia og seurtsintig the causes which have produced the 
, than we have at the present day, aided as we are by the preservation— 
frequently admirable—of the polishings, furrows, and fine strie. 
