550 
LOWER OOLITIC EOCKS OF ENGLAND : 
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MOLUJSCA cont. 
Gasteropoda cont. 
Purpurina elaborate, Lye. 
3 
7 
D. G. L. Y. 
Turbo. 
var. aperta, Hudl. 
3 
G. 
inflata, Tawn. - 
4 
5 
D. S. G. 
parcicosta, Hudl. 
D. . 
Inf. Ool. 
rotunda, Hudl. 
S 
D.S. 
- (cf.) Sowerbyi, Waag. 
3 
D. 
tabulata, Hudl. 
3 
D.S. 
Purpuroidea glabra, Mor. 
7 
G. 
&Lyc. 
insignis, Lye. 
7 
G. 
Lycettea, Hudl. & 
7 
G. 
Wils. 
(P. mweausea, IT or. & 
Morrisea, Buv. 
7 
G. - 
j Lye. 
v. Purpurina. 
nodulata, Y. & B. See 
P. Lycettea. 
Rznella. See Spinigera. 
Rimula Bloti, Desl. 
3 
7 
W.G. L. - 
Emarginula. 
clathrata, Sow. 
3 
7 
W. 3. L. 
tricarinata, Sow. 
3 
7 
W.G. 
Emarginula. 
See also Emarginula 
and Fissurella. 
Rissoa? exigua, Lye. 
7 
G. 
Isevis, Sow. - 
1 
7 
8 
W. G. 0. 
See also Rissoina. 
Rissoina acuta, Sosv. 
7 
W. G. O. - 
Rissoa. 
cancellata, Mor. & Lye. 

7 
G. L. 
duplicata, Sow. 
7 
8 
W. G. O. 
gynmoides, Hudl. 
3 
N. 
Milleri, Lye. - 
7 
G. 
obliquata. Sow. 
9 
7 
W. G. N. L. 
Rissoa, 
- var. parcicostata, 
3 
M. 
Hudl. 
obtusa, Lye. - 
3 
G. 
subulata, Lye. 

W. 
tricarinata, Mor. & Lye. 
7 
G. 
tumidula, Lye. 
7 
G. 
