57 



comparatively small extent, and have not, perhaps from kss 

 complete observation, yielded antiquarian results of much 

 consequence. 



In the east of England a characteristic form of the peat 

 deposits occurs in the Fens of that region. These have 

 yielded many relics of the stone period. 



In the v/estern extremity of Cumberland, the River Ehen 

 runs down from Ennerdale Lake, past Cleator to Egremont, 

 and thence southerly almost parallel to the sea-coast, 

 through which it breaks near Sellafield, along with the 

 River Calder. 



For the last three miles of its course the Ehen has cut a 

 considerable valley, with precipitous sides, through a moss 

 of marine deposits of clay, gravel, and sands, and in pro- 

 cess of time has levelled the bottom for a width of a quarter 

 to half a mile, through which it now meanders. This level 

 tract in its lower part nearest to the sea is characteristically 

 called the Bogholes. It is in fact a t3rpical instance of the 

 low level river formation above alluded to. 



A precisely similar valley bottom lies in the remarkable 

 depression which cuts off the headland of St. Bees from the 

 higher land towards the east, running from Whitehaven 

 southwards, past St. Bees to the sea-shore, where its water- 

 course, called Pow Beck, debouches. 



Each of these tracts when excavated shews many prostrate 

 stems of fair sized oak trees. Bog oak is to be found in 

 great abundance below the sands at the mouth of Pow Beck 

 and throughout the Boo-holes. Mr. D. described and shewed 

 a cast of a polished celt of greenstone found in a drain in 

 this latter tract, and now belonging to Dr. Clark, of 

 Beckermet. 



Between the Ehen River and the sea the marine deposits 

 form an elevated promontory, generally pretty level, at a 

 height of from 50 to 70 feet above the sea, known as Low- 

 side Quarter. Above this table land are numerous isolated 



