ON THE CAE GWYN CAVE. 



119 



rock above the cave and about 7 feet below the surface of the ground, 

 in a bed of sandy clay (see fig. 1), 17 species of shells were found, of 



Fig. 1. — Portion of the nortJi-iuest face of the Cuttinr/ outside the 

 upper opening to the Cae Gwyn Cave. (From a photograph by 

 Mr. Helsby, of Denbigh.) 



Showing the most northerly point to which the shell-bed {a) has yet been 

 traced near the cave, and the manner in which the upper beds {h) were 

 looped down towards the swallow-hole. The long flat stone indicates the 

 slope of the beds where the end of the shell-bed {a) is cut off by b. 



which a list * is recorded in column I. of the following table, in 

 which a full list of the shells found in the drift of St. Asaph and 

 Colwyn is given in column II., and in columns III., lY., and V. an 

 indication of which of these occur at E,hyl, or on any part of the 

 British coast, or in the Bridling-ton Drift. 



* Determined by Mrs. M'Kenny Hughes. See Eeport Brit. Assoc. Man- 

 chester, 1887, " Second Eeport on the OaeGwyn Cave, North Wales," by Dr. 

 Hicks. 



