424 EAISED BEACHES. 



island, and from their great size and the force necessary to 

 remove them, we may assume not only that the highest summit 

 of Portland was submerged, but also that there must have been 

 above it a column of water of some height and power." — Quar- 

 Journal of Geological Soc. of London, Vol. xxxi, p. 50, 



The late Miss Elizabeth Carne, after a careful inspection of 

 the " cliff boulders " of the Land's End district, comes to the 

 conclusion that " they are in our cliffs that which stream-tin is 

 in our valleys, — the earliest record of the action of water (liquid 

 or frozen) upon existing rocks . . I object to call the boulders of 

 Lamorna a raised beach, for I believe they were not washed up 

 by the sea, but washed down from the cliff." — Report of the Royal 

 Geological Society of Cornwall, 1860, pp. 372, 374. 



