British Association, 81s£ Report, Portsmouth, 1911.] 



Plate III. 



Unconformity between the Quarry Ridge Grits and the Lower Comley Sand- 

 stone at Robin's Tump, Comley. Excavation No. 29. 1910. 



Fig. 2. — -Excavation No. 29a, N.E. end of the section. Length about 6 feet. 



Fig. 3. — Excavation No. 29d, S.W. end of the section. Length about 4 feet. 

 The white patches below B are pieces of grey fossiliferous limestone wedged into a 

 cleft in the calcareous rib. 



Illustrating the Report on the Excavation of Critical Sections in the Palaeozoic 

 Rocks of Wales and the West of England. 



