LIKE IN THE EARLY CAMIJKIAN 



35 



Fig. $. — Ari/i,eocyathus profundus, Billings. 



Possibly a Coral of generalized type from the Lower Cambrian of L'Anse k Loup, 

 Labrador. A small specimen. 





M 



j-„^Q,) 



A 



> 'O; 



Fig. 6. — Structures of A. profundus {magnified). 



From specimens in Peter Redpath Museum. 

 («) Lower acervuliiie portion, {b) Upper part, with three of the radiating laminae 

 and section of pores, (c) Portion of lanurui, with pores, the calcareous skeleton un- 

 shaded. 



