2 10 [Proc B. N. F. C, 



EXPLANATION OF PLATES. 



Plate I. shows a diagramatic section, drawn to scale, of all 

 the beds exposed during the investigation. The figures at top 

 and bottom of the left hand margin show the level of these 

 points reduced to Ordnance Survey Datum. 



Plate II. is a collotype print of a photograph taken during the 

 investigation by Mr. W. Gray, the point selected being a few 

 yards S.W. of the trial section. This shows the natural appear- 

 ance of Beds A., B., C , and D. ; the unconformability of the two 

 last-named zones, and the steep dip of Bed D., may be noted. 

 The section shown is 15 feet in height. 



