154 



Fig. II. Detailed Section of the Avicula Contokta Beds 

 AT Garden Cliep, near Westbtirt-on-Sevekn. 



Planoreis beds. Lower Lias. 

 --}- -lJ.^ ^ Modiola minima, Ostrea liassica. 



, , Monotis decussata. 

 -f—^ Modiola minima, Myacites musculoides. 



Fish Remains. 



^=<^ EsTHERiA Zone. 



Pecten Valoniensis, Cardium Rhaeticum, Axinus 

 cloacinus. 



Anatina Suessi, Lima priecursor, Myacites mus- 

 culoides, Pleurophorus angulatus, Modiola 

 minima. 



b. Upper Pecten bed. 



a. Lower Pecten bed. 

 CoNTORTA Shales. 



Cardium Shales. 



Bone-bed. Acrodus minimus, Gyrolepis Albert!, 

 Nemacanthus, Sauricbthys apicalis, Pullastra 

 arenicola. 



Pull.a^stra Bed. Cardium Rhseticum, Avicula 

 contorta, Modiola minima, Pullastra arenicola. 



Bone-bed. Gyrolepis Albert!, Sargodon tomicus, 

 Pullastra arenicola, Saurichthys apicalis, Avicula 

 contorta. 

 ♦ * Teeth, Scales, CoproUtes, and other fossil debris. 



r" j Grey Marls with couchoidal fracture. 



Alternating Beds of Red, Grey, 

 and WTiite Marls. 



