2 OSBORN, Submerged Forest at Llaiiaber, BarnioiitJi. 



and in places low sandhills. At Llanaber Church the 

 hills touch the foreshore for a few hundred yards, and are 

 protected by an embankment upon which the Cambrian 

 line runs. Immediately north of this the hills retreat 

 again, and the railway runs to Dyffryn along alluvial 

 flats, liable to become swamps in places during a wet 

 season. Five miles north at Dyffryn, the line is about a 





Fig. I . 



mile from the sea, with low-lying fields between it and 

 the rather high sand hills that here line the shore. 



Half a mile north of Llanaber Church there is exposed 

 upon the foreshore at low tide a considerable area of stiff, 

 whitish clay, which has the appearance of a typical 

 underclay. It may be described * as fine and highly 



* I am much indebted to my friend and colleague Dr. Ilickling for liis 

 valuable help in the examination of the clays. 



