490 ME. M. ODLING ON THE [Oct. 1913,, 



Thickness in feet indies. 



Bed 22. Blue clay, quickly weathering brown 1 



Bed 23. Sandy argillaceous limestone, finely laminated, 

 yielding Terebratula sp., Ostrea sowerbyi Lye, 

 Cypricardia rostrata Sow., and radioles of 



Beds echinoderms 1 6- 



24&25. Argillaceous limestone in two beds, the lower one 



* ■{ being rather sandy 2 9 



Bed 26. Hard grey limestone, largely composed of shell- 



pq fragments, containing Terebratula sp., Modiola 



imbricaia Sow., Ostrea sowerbyi Lye, and Lima 



cardiiformis Sow. ..*. 1 9> 



Bed 27. Grey, laminated, sandy limestone, with a few 



specimens of Ostrea sowerbyi Lye 0' 6> 



Fullonian. 



f Bed 28. Compact yellow limestone, sometimes grey, yield- 

 ing Ehynchonella varians Schloth., Bh. sp., Tere- 

 bratula cf. globata Sow., Ceromya concentrica 

 Sow., Cypricardia rostrata Sow., C. bathonica 

 d'Orb., Homomya vezelayi Mor. & Lye, Lima 

 cardiiformis Sow., Modiola imbricata Sow., 

 Pholadomya deltoidea Sow., Ph. heraulti Ag., 

 and Pleuromya cf. scarburgensis Mor. & Lye. ... 1 ■ ft- 



Beds 



29 & 30. Sandy clay ; upper part blue, lower part brown... 2 9> 



Bed 31. Fuller's-Earth Eock: a compact non-oolitic 

 limestone with three clay-partings ; it yields 

 Teloceras subcontractum Mor. & Lye, Natica 

 pyramidata Mor. & Lye, Ceromya concentrica, 

 Sow., Cypricardia rostrata Sow., C. bathonica, 

 d'Orb., Gresslya peregrina Phil., Lima cardii- 

 formis Sow., Lucina bellona d'Orb., Modiola 

 imbricata Sow., Ostrea sowerbyi Lye, Pholado- 

 mya heraulti Ag., Ph. deltoidea Sow., Pleuromya 

 cf. sinistra. Ag., Terebratula globata Sow., Ehyn- 

 chonella, concinna auctt., Eh. varians Schloth., 

 and Clypeus mutter i Wright 4 O 



Bed 32. Local sandy parting U 2, 



Beds 33, 



34,&35. Ehynchonella and Inoceramus Beds: blue 

 argillaceous limestones and clays, focally divisible 

 into three. They yield Aciceonina. gigantea Mor. & 

 Lye, Naticcc pyramidata Mor. & Lye, N.globosa 

 Rcem., Camptonectes lens (Sow.), Ceromya concen- 

 trica Sow., Gervillia aff. ovata Sow., Inoceramus 

 obliquus Lye, IAma cardiiformis Sow., Modiola 

 imbricata Sow., Ostrea sowerbyi Lye, Pecten sp., 

 Pholadomya heraulti Ag., Ehynchonella concinna 

 auctt., Terebratula globata Sow., Acrosalenia 

 wiltonii Wright, Clypeus mulleri Wright, CI. 

 ploti Wright, Echinobrissus sp , and Isastrcea 

 limitata Lamx 4 t> 



Unconformity, especially well shown on the site of 

 the northern end of Ardley Rnilway-Station, 

 where Beds a & b of the Nereran Beds are 

 absent ; this unconformity marks the position 

 of the Stonesfield Slates at Stonesfield. 



