PLATE II. 



Nugulana (continued). 



FIG9. 



1—3. N. pJiaseolina (Mich.). Ganlt, Folkestone. (P. 9.) 



1. British Museum, No. L 5L06. a, left valve; b, dors:il view; c, posterior; d, left 

 valve x 2. 



2, 3. British Museum, No. L 4969. 2 a, right valve ; 2 b, same X 3 ; 3, left valve. 



4 — 9. N. Vibrai/eana (d'Orb.). 4 — 8, Gault, Folkestone. British Museum, 

 No. L 4971. (P. 10.) 



4. a, right valve; b, same X 2 ; c, dorsal view X 2. 



5. a, right valve ; b, dorsal view. 

 6 — 8. Left valves. 



9. Cambridge Greensand (derived from Gault). The Type of iv". subelliptica, Seeley, 

 Carter Collection, Woodwardian Museum. Right valve; natural internal mould. 



10. N. sp., cf. siliqua (Goldf.). Chalk Rock (zone of Het. Reussianum) , Cuck- 

 hamsley. Montagu Smith Collection, Woodwardian Museum. 

 a, internal mould of left valve; b, mould of teeth X 3. (P. 11.) 



Genus Nucula, Lamarck. 



11 — 15. N. planata, Desh. 11 — 13, Speeton Clay, Speeton. Leckenby Collec- 

 tion, Woodwardian Museum. (P. 12.) 



11. a, right valve; b, dorsal view. Figured by Gardner, Quart. Jouru. Geol. Soc, 

 xl (1884), pi. v, f. 3. 



12. a, right valve ; b, dorsal view. 



13 Right valve, somewhat crushed. Figured by Gardner, ibid., pi. v, f. 2. 



14 Crackers, Atherfield. Woodwardiau Museum. a, left valve ; b, dorsal view. 

 Figured by Gardner, ibid., pi. v, f. 1. 



15. Crackers, Atherfield. Leckenby Collection, Woodwardian Museum. Right valve. 



16, 17. N. sp. Claxby Ironstone (zone of Bele.nnites lateralis), Bennivvorth 

 Haven. Woodwardian Museum. (P. 13.) 



16. a, left valve; b, same, interior filled with oolitic ironstone; c, same, posterior; 

 d, same, dorsal. Figured bv Gardner (as jV. Cornueliana, d'Orb.), Quart. Journ. 

 Geol. Soc, xl (1884), pi. v, f. 5, 6. 



17. Right valve. 



18, 19. N. Lamplughi, Woods. Speeton Clay (D 4), Speeton. Collection of 

 G. W. Lamplugh. (P. 14.) 



18. a, right valve ; b, dorsal view. 



19. Left valve. 



20. N. sp. Lower Greensand, Atherfield. British Museum. (P. 14.) 



a, left valve, outline; b, same X 2; c, same, dorsal view of both valves X 2 ; d, same, 

 posterior view x 2. 



21. N. Me'yeri, Gardn. Lower Greensand, Atherfield. British Museum. The 



Type. (P. 15.) 



a, left valve, outline ; b, same X 2 ; c, same, dorsal view of both valves X 2. 



22—27. N. pectinata, Sow. Gault, Folkestone (except f. 24). (P. 16.) 



22. Montagu Smith Collection, Woodwardian Museum. Right valve. 



23. Woodwardian Museum, a, right valve; b, same, posterior view; c, same, dorsal. 



24. Gault, Aylesford. Woodwardian Museum. Right valve. 



25. Woodwardian Museum. Left valve. 



21). Wiltshire Collection, Woodwardian Museum. Left valve. 



27. Woodwardian Museum, a, left valve; b, posterior view ; c, portion of ornamen- 

 tation of Ic't valve en la reed. 



