TAB. XIX. 
Fig. 
1. Voluta nodosa. No. 88, p. 148. 
. Back view of adult shell from Barton. 
a 
4. Front view of the same. 
c. Back view of adult shell from Highgate. 
d. Front view of ditto, ditto. 
e. Back view of young shell from Bracklesham Bay. 
J. Front view of adult shell, ditto. 
g. Back view of ditto, ditto. 
h. Front view of ditto, ditto. 
Note.—Portions of the inner lip in the specimens, figs. la and 1/, are broken off. 
2. Voluta digitalina, (Var. ima). No. 90, p. 151. 
a. Back view, adult shell. 
6. Front view, ditto. 
c. Front view, ditto, with outer lip thickened and plicated. 
3. Voluta luctatrix. No. 87, p. 147. 
a. Front view, adult shell. 
6. Back view, shell of mid-growth. 
c. Front view, ditto. 
d. Back view, young shell. 
e. Front view, ditto. 
4. Voluta ambigua. No. 89, p. 150. 
a. Back view, adult shell. 
6. Front view of the same. 
c. Back view, (Var. compressa). 
