178 



3 (Cap-Breton, Monlero- 



sato). 



f 



KELLIA, Turton. 



12L suborbicularis, Moutagu; 



1, 2, 3. 



PSEUDOPYTHINA, Fischer. 



122. Mac-Andrewi3Eischer;3. 



POEONIA,Eecluz. 



123. rubra, Montagu; 1, 2, 3. 



MONTACUTA, Turton. 



F 



124. bîdentata, Montagu; 1, 



2,3- 



125. ferruginosa, Montagu; 1, 



2,3. 



126. substriata,Montag'u; 1,3. 



SPOETELLA. Deshayes. 



127. recondita,Fîsclier; 3 (Cap- 



Breton, deFolmet Fis- 

 cJi er) . 



SCIÎhTILLA, Deshayes. 



128. crispata, Fischer; 3. 

 129? Armoricse, Crouan ; 2 



(Brest, Crouan). 



VASCOKIA, Fischer. 



130. Jeffreysiana, Fischer; 3 



(Cap-Breton). 



LEPTON, Turton. 



131. squamosnm, Montagu; 1, 



2, 3. 



132. subtrigoniim, Jeffrey s; 3. 



133. îacerum, Jeffreys; 3. 



134. nitidum, Tnrton : 2, 3. 



NEOLEPTON, Monterosato. 



i 



135. glabrum, Fischer; 3 (Cap- 



Breton). 



136. Clarkise, Clark; 2, 3. 



137. sulcatulum, Jeffrey s; 1, 



2 (Etretat, Guernesey, 



Jeffreys). 



GALEOMMÂ, Turton. 



138. Turtoni, Sowerby ; 2, 3. 



PECTUNCULUS, Lamarck. 



139. glycimeris, Linné; 1, 2, 3 



ARCA, Linné. 



140. tetragona, Poli; 2, 3. 



var. cardissa, Lamarck; 

 2,3. 



141. lactea, Linné; 1, 2, 3. 



142. pectunculoîdes, Scacchi; 



3. 



KUCULA, Lamarck. 



4 



143. sulcata,Bronn,(<fecw^^«^<?, 



Sowerby) ; 2, 3. 



144. nucleus, Linné ; 1, 2, 3. 



var. radîata^ ïlanley; 2, 



3. 



145. nitida, Sowerby; 2, 3. 



146. tenuis, Montag-u ; 2 (Basse 



Kikerie, Cailliaud) . 



LEDA, Schumacher. 



147. commutata, Philippi ; 3. 



148. tenuis, Philippi ; 3. 



CRENELLA, Brown. 



149. rhombea, Berkeley; 2 



(Guernesey, Jeffreys). 



