Fig. 
9. Pleurotoma Tallavignesii. No. 193, p. 270. 
a. Side view of young shell, magnified; from Nuneham. 
6. Back view of adult shell, nat. size; from Southend (Mus. Prestw.) 
10. Metula juncea. 
a. Back view, nat. size; from Barton. 
4. Side view, ditto. 
c. Front view, ditto. 
11. Borsonia Biaritzana. No. 249, p. 327. 
a. Front view, nat. size; from Bramshaw. 
6. Back view, ditto; from Bracklesham Bay. 
The specimen represented by fig. 11, 4, is that figured and described 
in Dixon’s ‘Geology, &c., of Sussex,’ as Fasciolaria biplicata. 
12. Borsonia sulcata. No. 250, p. 328. 
a. Front view, magnified ; from Colwell Bay. 
6. Back view, ditto. 
13. Borsonia semicostata. No. 251, ». 329. 
a. Front view, magnified; from Barton. 
6. Side view, ditto. 
14. Borsonia lineata. No. 252, p. 330, 
a. Front view, magnified; from Highcliff. 
6. Side view, ditto. 
