TESTACEOUS MOLLUSCA. 115 
*Lacuna puteolus, Turton. 
New to the district: Douglas Bay, among sand (Mal. 
Mon.): small living at Bull Bay, and several off Port 
Hrin (¥.A.): one living with LZ. divaricata at Lian- 
dudno. (5.7). 
Lacuna pallidula, DaC. 
Common alive at Moelfre Bay and Porthwen (F.A.), 
and at Llandudno with the last 2 species (B.T.), 
where both green and orange forms occur of all sizes. 
*Rissoa cancellata, DaC. 
One broken specimen from deep water off the Isle of 
Man, N. coast (Forbes in Jeff. B.C. IV, 10), omitted 
from Rep. I. 
*firssoa calathus, F. and H., omitted from Rep. I. 
Isle of Man (Packe in Jeff. l.c. 11). 
fiissoa punctura, Mont. 
_ Dredged off Fleetwood (W.H.H.). 
fiissoa costata, Ad. 
Dead in Bull Bay (F.A.), one at Rhyl (B.T.). 
Rissoa parva, DaC. 
Abundant, living at Porthwen, Llandrillo, Llandulas 
Point, and Port Erin district (F.A.): do. at Llan- 
dudno (B.T.): Puffin Is. (A. Leicester). 
Forbes (Mal. Mon.) says that var. interrupta is 
abundant in Isle of Man, N. but rare at S. and E. 
where it is replaced by R. cingillus. 
Rissoa striata, Ad. 
Living at Moelfre Bay, Porthwen and Bull Bay (F.A.): 
at low water on Puffin Is. (A. Leicester.): Fleetwood 
CW EEE), 
fiissoa vitrea, Mont. 
One in central area: rare in drift at Southport 
(G.W.C. and ©.HB2- 
