PLATE 67. 



Actinopteria insignis Clarke 

 Page 252. 



Fig. 1. Left valve showing the outline and external characters of the shell 

 Fig. 2. Left valve of larger example doubtfully referred to this species. 



A ctinopteriaV 

 Page 253. 



Figs. 3, 4. Incomplete specimens of two left valves. 



Aviculopecten sp. undet. 

 Fig. 5. Incomplete ventral portion of a left valve. 



Orthonychia belli Clarke 

 Page 254. 

 Fig. 6. Lateral view. 



Orthonychia tortnosa Hall 

 Page 254. 



Figs. 7-10. Lateral views of four individuals showing variation in size. 



