FROM THE INFERIOR OOLITE. 



Plate XVI. 



539 



Fig. 1. Pecten cornutus, Quenst. Left valve ; Bridport. J. 



2, 2 a. . Left valve, nat. size ; and front ear, enlarged 



Leckhampton. J. 



3. triformis. Eight valve ; Northamptonshire. B.M. 



4. Plicatula subserrata (Miinst.). Valve ; Bradford Abbas. 

 5. . Ditto. 



6. Gcrvillia compressa. Left valve ; Nails worth. J. 



7. 7 a. gladiolus. Eight valve and profile of shell seen from above 



Dun dry. B. 



8. intermedia. Left valve ; Frocester. 



9. . Profile of left valve ; Bradford Abbas. 



10, Pinna Dundriensis. Portion of left valve. Dimdry. 



11, claviformis. Left valve ; Selsby Hill, near Nailsworth. J. X^. 



12, Mytilus striatissimits. Eight valve ; Dundry. B. 



13, 13 a. primipilaris. Left valve and profile of same ; Stubbing- 



ton. J. 



14, 14 a. Cucuttcea csquata. Eight valve and profile; Freestone, Leck- 



hampton. B.M. 



15, 15 a, 15 b. Macrodon rasilis. Eight valve, nat. size, and profile and 



hinge-area xf; Bradford Abbas. B. 



16, 16 a. Sphcsra crassitesta, D'Orb. ; Nailsworth. J. 



Plate XVII. 



Figs. 1, 1 a. Lima cspybolus. Eight valve and portion of surface, enlarged. 

 Broadwindsor. J. (Its convexity is the same as that of Limaplaty- 

 bolus.) 



2. Lima amnifera. Eight valve ; Yeovil Junction. 



3. 3 a, 3 b. contorquens. Eight valve, profile, and magnified sur- 



face ; Northamptonshire. B.M. 

 4,4 a. educta. Left valve and profile ; Leckbampton. J. 



5. inoceramoides. Left valve, -J natural size ; south of Perrott. J. 



6, 6 a, Qb. majestica. Eight valve and profile, -J natural size, and 



a portion of surface ; Bodborough. J. 



7, la. placida. Eight valve and profile ; Northamptonshire. B.M. 



8, 8 a, 8 b. plastybolus. Left valve, profile, and magnified surface ; 



Nailsworth. J. 



9. poet tea. Left valve ; Dundry. B. 



10. rodburgensis. Eight valve ; Northamptonshire. B. 



11,11a. seminuda. Eight valve and profile ; Nailsworth. J. 



12, 12 a. Sharpii. Eight valve, ^ nat. size, and portion of surface ; 



Brockhall. B. 



Plate XVIII. 



1,1a. Area culmotecta. Left valve and profile ; Dundry. B. 

 2, 2a. Macrodon? rapidus. Eight valve and magnified surface. Dun- 

 dry. J. 

 3. . Hinge-line, X'2; Dundry. B. 



4. Niicula subglobosa, Eom. Bradford Abbas. 



5,5a. nuciformis. Front and bind profiles; Dundry. B. 



6. Lsoarca capitalis. Left valve ; Eodborough. J. (Part of its mark- 



ings have been obliterated in cleaning.) 



7, 7a. texata. Left valve and profile; Nailsworth. J. 



8. Cardium dimdriense. Eight? valve; Dundry. B. 



9, 9 a. puhatum. Eight valve, and profile seen from above. 



Dundry. 

 10. Sphcerafimbriata. Left valve ; Dundry. B.M. 

 11. . Hinge of right valve. B.M. 



