TAB. XXX. 
Norr.— The lines indicate the actual dimensions of the specimens. 
Fig. 
1. Pleurotoma gentilis. No. 205, py. 280. 
a. Front view, natural size; from Bracklesham Bay. 
4. Back view, ditto. 
c. Part of the body-whorl, magnified. 
2. Pleurotoma comma. No. 206, p. 281. 
Front view, nat. size; from Stubbington. 
3. Pleurotoma Prestwichii. No. 207, p. 282. 
a. Back view, nat. size; from Clarendon. 
6. Part of the body-whorl, magnified. 
c. Back view (var.), nat. size. 
d. Side view (var.), ditto. 
4, Pleurotoma simillima. No. 208, p. 283. 
a. Back view, nat. size; from Clarendon. 
4. Side view, ditto. 
c. Part of the body-whorl, magnified. 
5. Pleurotoma mixta. No. 201, p. 277. 
a. Back view, nat. size; from Barton. 
6. Front view, ditto. 
6. Pleurotoma crebrilinea. No. 214, p. 290. 
a. Back view, nat. size; from Stubbington. 
6. Front view, ditto. 
c. Part of the body-whorl, magnified. 
_ Pleurotoma denticula. No. 213, p. 286. 
a. Back view, nat. size; from Bracklesham Bay. 
b. Part of the body-whorl, magnified. 
ec. Back view, nat. size; from Barton. 
=I 
d. Ditto (var. dongeva), nat. size; from Highgate. 
e. Ditto (var. macrobia), ditto; from Clarendon. 
uf Ditto (var.gracilenta), ditto; from Brook, in the New Forest. 
g. Side view (var. conulus), ditto; from Barton. 
h. Back view (var. odontella), ditto; from Colwell Bay. 
