6t) LOWER LIAS. 



LiTHOLOGY. Thickness. Organic remains ; and Local Names of the Beds. 



No. ft. in. 



13. Limestone 3 "Paving-stone." A (evi InsectB, a.ni Pholidophorus 



Stricklandi, Ag. 



14. Clay 10^ 



15. Limestone 3^ "Bottom rock." More Insects here than in all 



' the other beds collectively, 



16. Clay 8 



17. Limestone 3 in. to 6 "Hoggs." Tetragomlepis anguUfer, Ag. (War- 



wick Mas.) 



18. Strong hard clay d\ 



19. Argillaceous limestone; imperfect "Ruskin." No fossils in this qnarry. 



stone 3 



20. Laminated clay 1 6 



21. Fragmentary shelly limestone \\ "Grizzle bed." Saurian bones, Fishes' teeth and 



scales, Ammonites planorbis, Lima punctata, 

 Cardium, and Osfrea liassica ; 8]nnesoi Cidarit 

 and other Echinidae abundant. 



22. Stoney shale. 



23. Hard limestone 6 " Blue stone " or"Blocks." Myacites, and elytra 



of Coleoptera. 



" Grave-stone rock." Ichthyosaurut and Otopterts 

 aeum.inata, L. & H. 



26. Clay. Thin hard plates of stone lie 



in this clay 11 



27. Limestone, underlain by clay. (The 



clay frequently wanting) G 0^ 



28. Limestone; inconstant 6 " Gummerals." Ostrea liassica. 



29. Clay. 



30. Hard gray limestone 6 \ "Fire-stone beds." Saurian remains and Car- 

 dium. 



24. Hard clay 1 3 



ModioUa minima, Myacites, and Ostrea liassica. 

 In these limestones and clays only one small 

 Ammonites planorbis has been found. 



31. Clay 2 



32. Limestone 3 



33. Clay 2 



34. Limestone 3 



35. Clay 3 



36. Hard dark limestone 1 in. to 10 "The Guinea-bed." Saurian houes, Avicula lonyi- 



(This is the bottom bed of the costata, Stutch., Monotis decussata (!), Lima 



quarry.) punctata, Myacites, n. sp., Ostrea liassica, and 



Hemipedina, TojnesiiyWright, in numbers ; Coral. 



AVICULA CONTORTA BeDS. 



37. Thick clay-bed; yellowish blue; break- [Belonging to the zone of Avicula contorta.'} 



ing in angular fragments 8 



38. Dark ferruginous clay, with con- Estheria bed. Estheria minuta. 



choidal fracture 8 



39. Clay ? " Clear blue blocks." 



40. Laminated clays 3 



