498 



K. TATE ON THE LIAS ABOUT BADSTOCK. 



by denudation before deposition of Middle Lias ; and at Phyllis Hill, 

 south of Paulton, and at Munger, it is absent. 



The true character of the Oocynotus series may be determined from 

 the two following sections : — 



Boivlclish* . 



ft. in. 



1. Soil. 



2. (b) Middle Lias limestone, 



hard and flaggy, with lumps 

 of A.-raricostatus stone and 

 derived n odules . Ammonites 

 JEgion, A. armatas, A. Bu- 

 vignieri, &c 9 



3. (<?) Blue, fine-grained, argil- 



laceous limestone in oblong 

 masses, rounded margins, 

 and irregular surfaces. A. 

 raricostatus, Belemnites acu- 

 tus, &c 4 



4. (d) Brown clay, speckled with 



white calcareous particles. 



B. acutus 9 



5. (e) Limestone course, equi- 



valent to No. 8, Old-Pit 

 Quarry, Eadstock. A. pla- 

 nicostatus, Monotis incequi- 

 valvis, Tecten calvus ; Fish. . 5 



6. (/) Black clay, with small lime- 



stone concretions and cinder- 

 like lumps of phosphatic 

 matter at the base 2 2 



7. (g) Spiriferina bank. 



3 8 



Timsbury f . 



Soil and disturbed clay. 

 Absent. 



ft. in. 



(c) Blue subcrystalline lime- 

 stone course. A. obtusus, A, 

 planicostatus, A. cciphus 4 



(d) Shaly clay, red or brown on 

 weathered edges 2 4 



(e) Marly band, with Belemnites 

 acutus 2 



(/) Black shaly clay. A. plani- 

 costatus and numerous small 

 bivalves 5 



(g) Spiriferina bank. 



7 10 



Fossils from the Zone of Ammonites oxynotus, Radstock District. 



Ammonites raricostatus, Sow. ; Bowldish, in situ ; in other localities in derived 

 nodules. 



planicostatus, Sow. ; Radstock, Bowldish, Timsbury. 



xiphus, Ziet. ; Timsbury (E. B. Tawney). 



obtusus, Sow. ; Timsbury and Phyllis Hill (E. B. Tawney). 



oxynotus, Quenst. ? Timsbury (E. B. Tawney). 



Belemnites acutus, Miller ; Timsbury, Bowldish. 

 Eucyclus selectus, Chap. Sf Dew. ; Bowldish. 

 Lima pectinoides, Sow. ; Bowldish. 

 — — gigantea (juv.), Sow. ; Timsbury. 

 Nucula navis, Piette ; Timsbury. 

 Leda galathea B'Orb. ; Timsbury. 

 Lucina limbata, Terq. $ P. ; Timsbury. 



* The Bowldish Quarry is at the junction of the road running due north from 

 Welton with that from Munger to Clan Down. 



t The Timsbury Quarry is below the village of that name, and is adjacent to 

 the New Conygre Colliery ; the two quarries are If mile apart. 



