PLATE 21 



Palaeopinna flabellum Hall 



Pa,a^es 159, 233 



1 A left valve with attached specimens of C r a n i e 1 1 a ? g r a n d e g r e v- 



e n s i s 

 Grand: Greve limestone ; division 2. Grande Greve 



2 A left valve with the surface sculpture partially preserved and also 



carrying crania 



St Alban beds. Cape Rosier Cove 

 3, 4 Right valves with characteristic exterior 



5 Anterior view of combined valves showing the subumbonal depression 

 G^'ande Grcve limestone ; division 2. Little Gaspe 



Megambonia crenistriata Clarke 



Page 157 



6,. 7 Left valves with exterior and sculpture more or less completely 

 retained 

 Grande Greve limestone. Figure 6, Dolbel brook, division i ; 7, Little 

 Gaspe, division 2 



Megambonia denysia nov. 



Page 157 



8, 9 Views of a typical specimen 

 10 A small shell with coarser plication, x 3 

 Grande Greve limestone. Perce Rock 



2q4 



