Quart. Journ. Geol. Soc. Yol. LXXIV, PI. XIX, 



Fig. 1. — Gaer Caradoc, showing scarp and dip slopes. 



L.D.S. photo. 



Fig. 2. — Rhynchonella Beds, Pentre Quarry, 



L. I). S. photo. 



[The height of the exposure is about 18 feet." 



