312 F. Bixey — The Coal-measures of Clapton, Somerset. 



Victoria Colliery, Standish, as probably near to the Arley Mine. 

 He tells me that he is now of opinion that the strata were faulted 

 and that the marine horizon really belongs to the Lower Coal- 

 measures. So far as I know, there is no record of marine fossils in 

 the Middle Coal-measures of the western part of the coal-field. 



Recently, while examining a collection I made about the year 

 1890, I found a small slab of shale containing numerous marine 

 fossils. The specimen was found on the tip-heap of the Alexandra 

 Colliery, not many yards south-west of the Ravenhead Plate Glass 

 "Works, St. Helens. The shaft is situated on the outcrop of the 

 Ravenhead Main Coal, according to the Geological Survey Map, and 

 was sunk to the Little Delph (Arley Mine). The horizon of the 

 marine band will therefore be somewhere between the Little Delph 

 and the Ravenhead Main Coal, and it is probable that the fossils 

 came from the roof of the Little Delph (Arley Mine). Mr. John 

 Gerrard, who has a special knowledge of these strata and has 

 examined the fossils, considers that the character of the stone 

 confirms this idea. The specimen is a fragment of hard black shale, 

 crowded with organic remains, many of them indeterminable, but 

 amongst them Pterinopecten papyraceus (J. Sow.) and Goniatites are 

 readily identifiable. A number of pieces of black shale collected at 

 the same time and place, and similar to the fragment just mentioned, 

 although looking somewhat less weathered, contained abundant fish- 

 reraains. Many of these were very fragmentary, but others have been 

 named by Mr. W. Manson, who has compiled the following list : — 

 On a single fragment of shale — 



Pterinopecten papyraceus (J. Sow.). 



Gastrioceras sp. 



Orbiculoidea ? 

 The following are on similar black shale collected at the same time 

 and place : — 



Elonichthys aitheni, Traquair (fine specimen). 



Ehizodopsis sauroides (Will) (scale). 



Megalichthys hibberti ? Ag. (scales and teeth). 



Ccelacanthus sp. 



Lepidostrobus variabilis ? L. & H. (with fish-remains on the back). 



Lejpidodendron (with fish-remains on the back). 



The specimens will be deposited in the St. Helens Corporation 

 Museum. 



In conclusion I wish to express my thanks to Mr. John Gerrard 

 for the helpful information which he has given me. 



V. — The Relation of the Coal-measures to the Lower 

 Carboniferous Rocks in the Clapton-Clevedon District, 



Somersetshire. 



By Frank Dixey, B.Sc, F.G.S., Assistant Lecturer in Geology, University 



College, Cardiff. 



nnHIS paper gives the results of investigations made during the 



L early part of the present year with the object of elucidating 



the relation of the Coal-measures to the Lower Carboniferous rocks in 



the Clapton and Clevedon districts of Somersetshire. 



