﻿TAB. XXXI. 



Note. — The lines indicate the actual dimensions of the specimens. 



Fig. 



1. Pleurotoma obscurata. No. 210, p. 296. 



a. Front view of shell of mid-growth, nat. size ; from Bracklesham Bay. 



b. Back view of adult shell, ditto. 



2. Pleurotoma curta. No. 230, p. 305. 



a. Back view, magnified ; from Alum Bay (Strat. No. 29, Prestw.) 



b. Front view, ditto. 



3. Pleurotoma conifera. No. 198,j». 274. 



a. Back view, nat. size; from Bracklesham Bay. 



b. Front view, ditto ; from Bramshaw. 



4. Pleurotoma rotella. No. 223,^. 299. 



a. Back view, magnified ; from HighclifF. 



b. Side view, ditto. 



5. Pleurotoma cedilla. No. 224, p. 300. 



a and b. Back views, magnified ; from Barton. 



6. Pleurotoma scalarata. No. 219, p. 295. 



a. Back view, nat. size ; from Bramshaw. 



b. Side view, ditto. 



7. Pleurotoma granata. No. 234, p. 308. 



a. Front view, nat. size ; from Highgate. 



b. Back view, ditto. 



c. Part of the body-whorl, magnified. 



8. Pleurotoma Hantoniensis. No. 240, p. 315. 



a. Back view, shell of mid-growth, nat. size ; from Lyndhurst. 



b. Side view, ditto, ditto ; from Brockenhurst. 



c. Front view, adult shell, ditto. 



