ZONE OF AVICULA CONTORTA. 



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



8". Monotia Bed. Monotis decussata, Myacites mnsculo'ides, Mod'iola 



3' 6". Fishes' teeth and scales, in brownish shaly marls. 

 3' 6". Grey fissUe marls. 



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



Dark marl and shales, with seams of compressed sliells. Cardium 

 Peclen, Anaiina, Pletirop horns, Myacites, Modiola, Sckizodus. 



Pecten Bed. a. Pecten Valonlensis, 



2'. Pecten Bed. h. Pecten Valoniensis. 



2' 6". Contorta Shales. //FicM?a con/or/a abundant, shells crushed. 



Cardium Shales. Cardium Rkmtkum abundant, crushed. 



1". Bone Bed. a. Teeth of Mrodus, Qyrolepis, Nemacanthns, Saurich- 

 tkys. 

 1' 10". 



Pullastra Bed. Cardium, Avicula, FuHastra. 



4". Bone Bed. c. Jcrodus, Sargodon, Gyrolepls. 

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



14'. Pale grey marls, with conclioidal fracture, unfosaihfen 



Alternating beds of Red, Grey, and Whitish Marls. 



