GEOLOGY OF THE BRISTOL COAL-FIELD. 327 



polished, are exceedingly handsome. In the other beds the 

 specimens are not nearly so fine. 



Chcetetes radians (Flem.) ; Lithostrotion irregulare (Edwds.). 



27. — [1908]. — Comoideshed is a black oolitic limestone, contain- 

 ing a great number of 



CJionetes comoides (Fisch.) ; Orthoceras Sp. ?j Producta Cora 

 (D'Orb.) ; Alveohtes septosa (Edwds.) 



[1910]. — Another bed, similar to the last. 



28. — [1916]. — Zaphrentis hedi?, a dark coloured limestone, with 

 very fine examples of Zaphrentis Griffithsi (Edwds.) ; Amplexus 

 coralloides (Sow.); Conocardium gig ante um (McCoy.). 



29. — [1944]. — Gigantea hed, so called from the enormous 

 specimens of Producta gigantea found in a dark oolitic limestone. 



30. — [1946]. — Foraminifera led is a good example of the fossil 

 bed of an ocean. It is almost entirely made up of small foraminifera, 

 shell-debris, echinus spines, &c. 



31. — [1948]. — Irregulare led is a red limestone bed, very 

 siliceous, and one mass of Lithostrotion irregulare. 



32. — [1961]. — A bed of limestone, containing very large 

 specimens of Euomphalus tulerculatus, some of them being four 

 inches in diameter. 



33,— -[1968]. — Coral leds. These are the principal coral bearing 

 beds of the section, and contain a greater part of all the known 

 species occurring in the locality. 



Cyathophyllum regiiim (Phill.), Stutehluryi (Edwds.), Murchisoni 

 (Edwds.) ; Lithostrotion ensifer (Edwds.), Martini (Edwds.), 

 lasaltiforme (Edwds.), junceum (Edwds.), Lonsdaleia floriformis 

 (Edwds.), Aulophyllum fungites (Edwds ) ; Alveolites depressa 

 (Edwds.) ; Clisiophyllum coniseptum (Keys). 



34. — Plant led. This is a dark coloured oolitic bed, containing 

 coal plants, with a large number of Lithostrotion irregulare. 



35. — Is a light brown limestone, with very fine masses of 

 Cyathophyllum regium. 



36. — Stigmaria led, 



37. — Murchisonia led. This, though disturbed, is evidently a 



