PLATE LXIL 



Supplem entary Figures. 

 Figs. 



1. Grassatellites ? eguisulcatus (Woods). Chalk Rock, Cuckhamsley. Sedg- 

 wick Museum. Internal cast. a, right valve; b, dorsal view. 

 (P. 426.) 



2,3. Cyprina Meyeri, "Woods. Pema-bed, Sandown. 2, Sedgwick Museum. 

 2a, left valve ; b, dorsal view ; c, hinge. 3, Museum of Practical 

 Geology, No. 16747. Right valve. (P. 427.) 



4. Cyprina ? vectiana (Fori).). Lower Greensand (Crackers), Atherfield. 

 Sedgwick Museum, a, left valve ; b, dorsal view ; c, portion x 4. 

 (P. 427.) 



5, 6. Unicardium ? compression, Woods. Lower Greensand (Crackers), Ather- 

 field. Sedgwick Museum, ha, 6, left valves. 6b, dorsal view of 

 ha. (P. 428.) 



7 — 9. Unicardium ? Mailleanum (d'Orb.). Base of Chalk (zone of Schlcen- 

 bachia varia/ns). 7, Beaminster; Oxford Museum; right valve. 

 8, Cerne Abbas ; Oxford Museum ; left valve, internal cast. 9, 

 Maiden Newton. Sedgwick Museum, a, left valve ; b, dorsal view. 

 (P. 428.) 

 10. Tellina ? phaseolina (Phill.). Speeton Clay, Speeton. York Museum. 

 Perhaps the type. Internal cast, a, left valve ; b, dorsal view. 

 (P. 429.) 



11, 12. Tellina ? subphaseolina (d'Orb.). Gault, Folkestone. 11, British 

 Museum, No. L 4982 ; a, right valve; b, dorsal view. 12, Sedgwick 

 Museum ; left valve, x 1^. (P. 430.) 



13. Cyprimeria (Cyclorisma) svbmersa (Sow.). Upper Greensand (zone of 



Schlosnbachia rostrata), Blackdown. Exeter Museum, a, left valve ; 

 b, dorsal view; c, hinge x 2. (P. 431.) 



14. Tapes (Icanotia) sp. Upper Greensand (zone of Schlambachia rostrata). 



Blackdown. British Museum, No. L 17225. a, right valve; b, 

 posterior part x 4. (P. 431.) 



15 — 17. Leptosolen? rectangularis (Woods). Chalk Rock, Cuckhamsley. Sedg- 

 wick Museum. Internal casts. 15, right valve. 16, dorsal view 

 of both valves. ] 7, left valve. (P. 432.) 



18,19. Thracia ? gracilis (Sow.). Upper Greensand (zone of Schlambachia 

 rostrata), Blackdown. Sedgwick Museum. 18a, right valve; 18b, 

 dorsal view. 19, left valve. (P. 432.) 



