PLATE 14 



Pterinea radialis Clarke 



■ , . plate 1 1 

 P ige 7-- 



i A left valve with beak removed showing cast of the hinge 

 Local it \. Matagamon lake, 1 mile above dam on east side 



2 Another left valve with finer radial striae 



Locality. Moosehead lake, 7 miles north of Kineo bay 



Pterinea mainensis Clarke 



Page 71 



3 A young left valve 

 Locality. Blind Cove point 



4 Internal cast of left valve showing the hinge 



Locality. Telos lake dam 

 5, 6 Left valves of old individuals 



Locality. Moosehead lake, 7 miles north of Kineo bay 



7 A right valve from the same locality as the last 



Aviculopecten cf. gebhardi (Hall) 



Page jo 



8 Sculpture cast of a small right valve 



9 A large incomplete coarse ribbed left valve 

 Locality. Cunningham's camp, near Matagamon lake 



194 



