PLATE 62. 
Fig. 1, 2, 3. 656. 33. Orthoceras imbricatum ? 
1. A compressed cast of a large individual, the surface of which is marked by corals. 
2. The interior of the shell of a large specimen of this species. 
3. A fragment of a large specimen which is less compressed than 
(Pag. 291.) 
usual. 
