PLATE XXXV. 
Genus—Puarus, Leach. 
Frias. 
1—3. P. Warburtoni (Forbes). Lower Greensand (Crackers), Atherfield. 
Sedgwick Museum, Cambridge. 1, 3, right valves; 2a, left valve; 
2b, dorsal view of 2a; 2c, portion of anterior part xX 8. (P. 217.) 
Genus—Souecurtus, de Blainville. 
4, S. (Azor?) Pelagi, dOrb. Upper Greensand, Blackdown. Sedgwick 
Museum. Right valve. (P. 218.) 
5, 6. 8.? (Azor?) Acteon, d’Orb. Left valves. 5, Upper Greensand, Haldon ; 
British Museum, No. 34801. 6, Cenomanian, Dunscombe ; Sedgwick 
Museum. (P. 219.) 
Genus—LEPTOSOLEN, Conrad. 
7,8. DL. Dupinianus (VOrb.). Gault, Black Ven. Sedgwick Museum. 7, 
right valve; 8, left valve. (P. 219.) 
Genus—Panorna, Ménard de la Groye. 
9—14. P. gurgitis (Brongn.). Lower Greensand (Crackers), Atherfield. Sedg- 
wick Museum, Cambridge. (P. 222.) 
9. var. neocomiensis, Leym. a, left valve; b, dorsal view; c, ornamentation 
x teh. 
10. var. a. Left valve. 
ll. var. a. a, right valve; 6, dorsal view. 
12. Right valve. 
13. var. neocomiensis, Leym. a, left valve; b, ornamentation x 4. 
14. a, right valve; b, dorsal view. 
