Lima excavata Fabr. 
Limatula elliptica Fabr. 
— subauriculata Mtg. 
— crassa Forbes. 
Mytilus edulis L, 
— modiolus L. 
— phaseolinus Phil. 
Dacrydium vitreum Müll. 
Modiolaria discors L. 
— laevigata Gray. 
— corrugata Stimps. 
— nigra Gray. 
— marmorata Forbes, 
Crenella decussata Mtg, 
Nucula sulcata Brown. 
— nucleus L. 
— nitida Sowb. 
tumidula Malm. 
— tenuis Mte. 
delphinodonta Migh. 
Leda pernula Möll. 
— minuta Müll. 
Portlandia arctica Gray. 
acuminata Jeffr. 
lueida Lov. 
intermedia M. Sars. 
tenuis Phil. 
lentieula Phil. 
frigida Torell, 
Yoldia limatula Say, 
Malletia obtusa M Sars, 
Arca tetragona Poli. 
nodulosa Müll. 
— obliqua Phil. 
pectuneuloides Scacchi; 
glacialis Gray. 
Limopsis minuta Phil. 
Pectunculus glyeimeris Phil. 
Cardium aculeatum L. 
— echinatum L. 
— edule L, 
87 
Cardium eiliatum Fabr. 
elagantulum Beck. 
nodosum Turton. 
— exiguum Gmel. 
-— fasciatum Mtg. 
— minimum Phil. 
Laevicardium norvegicum Spglr. 
Aphrodite groenlandica Chemn, 
Isocardia cor L. 
Cyprina islandica L. 
Tridonta borealis L. 
Nicania Banksii Leach. 
Astarte sulcata da Costa. 
— compressa L. 
— crebricostata Forbes. 
Circe minima Mtg. 
Venus casina L. 
— fasciata Donovy. 
— gallina L. 
Timoclea ovata Penn. 
Tapes aureus Gmel. 
— edulis L. 
— pullastra Mtg. 
— decussatus L. 
Dosinia exoleta L, 
— lineta Pult. 
| Lueinopsis undata Penn. 
Lucina borealis L. 
— spinifera Mtg, 
Axinus flexuosus Mtg. 
Sarsii Phil. 
Gouldii Phil. 
— obesus Verrill, 
croulinensis Jeffr. 
eumyarius $Sars. 
ferruginosus Forbes. 
.— 
Axinopsis orbiculata n. sp. 
Galeomma Turtoni Sow. 
Lepton nitidum Turton. 
Cyamium minutum Fabr. 
Kelliella miliaris Phil. 
