of British Mollusca. 
83 
Genus 3. Cratena, Bergh 
( — Carolina, Cuvier, non Abildgaard). 
123. Cratena viridis (Forbes). 
Moray Firth [G. Murray), St. Andrews, abundant In- 
tosh), Arran, N.B., 20 fath., and Puffin Island, Anglesea 
( Herdman ), Plymouth ( Garstang , in litt.) . 
124. Cratena amcena (Aid. & Hanc.). 
Arran, N.B., 20 fath. ; off Port Erin, Isle of Man, 15 fath. 
( Herdman ). 
125. Cratena olivacea , Aid. & Hanc. 
Shetland (A. M. A 7 .), St. Andrews, not uncommon (M c In- 
tosh), Moray Firth (G. Murray), Mersey [Herdman), the 
Dee [Gollingwood) , Plymouth [Garstang). 
Distribution. West Norway, 5-10 fath. (G. 0. Sars). 
126. Cratena pustulata (Aid. &Hanc.). 
127. Cratena glottensis (Aid. & Hanc.). 
128. Cratena arenicola (Forbes). 
North Wales [Herdman). 
129. Cratena concinna (Aid. & Hanc.). 
? Bolts gymnota (Couthouy), Gould, Invert. Mass. edit. Binney (1870), 
p. 249, pi. xvi. figs. 238-241. 
Mersey, common [Collingwood) . 
Distribution . Christiania Fiord [Asbjornsen), West Nor- 
way, 5-100 fath. (G. O. Sars). 
130. Cratena (?) Peachii (Aid. & Hanc.). 
131. Cratena (?) stipata (Aid. & Hanc.). 
132. Cratena (?) angulata (Aid. & Hanc.). 
Off the Bass Bock, 24 fath. [Meyer), Plymouth [Garstang) , 
Moray Firth (G. Murray ). 
Distribution . Sweden [Loren, fide Alder), Normandy 
( Quatrejages , as Eolidina paradoxa). 
133. Cratena (?) inornata (Aid. & Hanc.). 
134. Cratena (?) Couchii (Cocks). 
135. Cratena (?) northumbrica (Aid. & Hanc.). 
6 * 
