No. yi. 



Section ofthe Rh/etic, Ostrea & Planorbis Beds 

 AT St AUDREY'S Slip East of Watchett. 



Hard Limestone. 

 Amino. I'laiioibis (Selouttlc.) 



Altcrimlliins of Limestones and Shalel. 



Hard Limestone. 

 Ammo. Planorbis. 

 Hard CJ rey Tonsh Limestone. 



Ost. Liasica. Carpenteria ? 



BitnminoiiH Limestone. 



Grey fissile Shales. 



Hard Gvoy bituminous Limestone. 



SAUBIAN 

 BEDS 



Earthy septariform Limestones (Lima punitata.l 

 Ost. Litisica. 

 Ostrea Bod. Ost. Liasica, Mod. minima. 



Pull;istra Shales. 



Shu Bed. 



Grey Limestone. 



Hard Brown Limestone. 



Cotham Marble. 

 Grey Shales. 



P. valoniensis Cardium Uhcetioum. 



\ Hard Earthy Limestone. P. valoniensis. Av. contorta AiLiuus. 

 Blaek Shales, with bands of Sulphate of Lime. 



Hard Crystalline Limestone. 

 Avictlla contorta. 

 i Hard Grey Earthy Limestone. 



Clayey Shales (dark grey) Sandy. 



Bone Bed. Acrodus minimus, Saiinchtuys apicalis, Hybodus, &c. 



Nodular Limestone. 



Black Shales. 



V Concretionary Marls. 



} Sandy Marls, lenticularly arranged. 



Alternating beds of Grey and Yellow Marls passing down into 

 Pale Green and Ited Marls. Strontia and Gypsum uccurruig in 

 places, finally becoming typical New Ked Marl at 72 leet below 

 the Black Shales. 



188 ft. 



