PLATE II. 
Nucutana (continued). 
FIGS. 
1—3. N. phaseolina (Mich.). Gault, Folkestone. (P. 9.) 
1. British Museum, No. L 5106. a, left valve; 6, dorsal view; ¢, posterior; d, left 
valve x 2. 
2,3. British Museum, No. L 4969. 24a, right valve; 26, same x 3; 3, left valve. 
4—9, N. Vibrayeana (@’Orb.). 4—8, Gault, Folkestone. British Museum, 
No. L 4971. (P. 10.) 
4. a, right valve; b, same X 2; e@, dorsal view X 2. 
5. a, right valve; 6, dorsal view. 
6—S8. Left valves. 
9. Cambridge Greensand (derived from Gault). The Type of WV. subelliptica, Seeley, 
Carter Collection, Woodwardian Museum. Right valve; natural internal mould. 
10. N. sp., ef. siliqua (Goldf.). Chalk Rock (zone of Het. Reussianum), Cuck- 
hamsley. Montagu Smith Collection, Woodwardian Museum. 
a, internal mould of left valve; 6, mould of teeth x 3. (P. 11.) 
Genus Nucuta, Lamarck. 
11—15. N. planata, Desh. 11—13, Speeton Clay, Speeton. Leckenby Collec- 
tion, Woodwardian Museum. (P. 12.) 
11. a, right valve; 0, dorsal view. Figured by Gardner, Quart. Journ. Geol. Soe., 
xl (1884), pl. v, f. 3. 
12. a, right valve; 6, dorsal view. 
13. Right valve, somewhat crushed. Figured by Gardner, zbid., pl. v, f. 2. 
14 Crackers, Atherfield. Woodwardian Museum. 4a, left valve; 6, dorsal view. 
Figured by Gardner, ibid., pl. v, f. 1. 
15. Crackers, Atherfield. Leekenby Collection, Woodwardian Museum. Right valve. 
16, 17. N. sp. Claxby Ironstone (zone of Belemnites lateralis), Benniworth 
Haven. Woodwardian Museum. (P. 13.) 
16. a, left valve; 6, same, interior filled with oolitic ironstone; c, same, posterior ; 
d, same, dorsal. Figured by Gardner (as WV. Cornueliana, d’Orb.), Quart. Journ. 
Geol. Soc., xl (1884), pl. v, f. 5, 6. 
17. Right valve. 
18, 19. WN. Lamplughi, Woods. Speeton Clay (D 4), Speeton. Collection of 
G. W. Lamplueh. (P. 14.) 
18. a, right valve; }, dorsal view. 
19. Left vaive. 
20. N.sp. Lower Greensand, Atherfield. British Museum. (P. 14.) 
a, left valve, outline; 6, same x 2; e, same, dorsal view of both valves x 2; d, same, 
posterior view X 2. 
21. N. Meyeri, Gardn. Lower Greensand, Atherfield. British Museum. The 
AMagayey. (les 1k3)5)) 
a, left valve, outline; 6, same x 2; e, 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; 6, same, posterior view; c¢, same, dorsal. 
24, Gault, Aylesford. Woodwardian Museum. Right valve. 
25. Woodwardian Museum. Left valve. 
26. Wiltshire Collection, Woodwardian Museum. Left valve. 
27. Woodwardian Museum. a, left valve; 6, posterior view; ¢, portion of ornamen- 
tation of left valve enlarged. 
