ZONE OF AVICULA CONTORTA. 



Fig. 1. — A Vertical Profile of Garden Cliff. 



i". Modiala minima, Ostrea Liassica. 



8". Monotis Bed. Monotis decussata, Myacites mitsculoides, Modiola 

 minima. 



8' 6". Fishes' teeth and scales, ia brownish shaly marls. 

 3' 6". Grey fissile marls. 



1'. Estheria Bed. Estheria mbiuta, var. Brodieana. 



8'. Dark marl and shales, with seams of compressed shells. Cnrdimn, 



Pedai, Anatina, Pleurophorus, Myacites, Modiola, Schizodus. 



Pecten Bed. a. Pecten Valouiensis. 



2'. Pecten Bed. It. Pecten Valoniensis. 



2' 6'. Contorta Shales. Avicula contorta abundant, shells crushed. 



Cardium Shales. Cardium Rhaticum abundant, crushed. 



a-. 1". Bone Bed. a. Teeth of Acrodus, Gyrolcpis, Nemacanlhus, Saurich- 



^ thys. 



1' 10". 



Pullastra Bed. Cardium, Avicula, Pullastra. 



i". Bone Bed. c. Acrodus, Sargodon, Gyrolepis. 

 * V 4'. Teeth, scales, and other ichthyic debris, with Coprolites. 



14'. Pale grey marls, with conchoidal fracture, unfossiliferous. 



Red Line. 



Alternating beds of Red, Grey, and Whitish Marls. 



