PLATE 19 



Actinopteria textilis (Hall) 



Page 156 



1 A small example 



2 Enlargement of the surface 



3 An incomplete mature individual 



Grande G r eve limestone ; division 2. Grande Gr^ve 



Aviculopecten jumeaui nov. 



Pa^^e 154 



4, 5 Left valves showing the character of the exterior, the differences in 

 outline being due to incomplete preservation of the latter 

 Grande Greve limestone. Perce Rock 



Actinopteria (Pterinea) fronsacia nov. 



Page 230 



6 The external surface and sculpture of the left valve 

 Gaspd sandstone. Gaspe Basin 



Pterinea ? 



7 A left valve 



Grande Greve limestone. Perce Rock 



Actinopteria communis (Hall) 



Page 155 



8 A small left valve 



Grande Greve limestone. Perce Rock 

 9, 10 Mature shells with some variation of sculpture 



1 1 A smaller example 



Grande Greve limestone; 9, 10, division i (Dolbel brook); 11, divi- 

 sion 2 (Shiphead) 



12 A large sculpture cast of the right valve 

 Grande Grhve limestone. Perce Rock 



Actinopteria sp. 



13 A left valve 



Grande Grhve limestone. Perce Rock 



290 



