76 
Species. 
. Axinus flexuosus, var. 
. Cardium edule, LZ. 
exiguum, Gmelin: 
fasciatum, Mont. 
. Corbula gibba. 
. Cyprina islandica. 
. Leda arctica. 
. —— minuta. 
. —— pernula, var. 
. —— pygmea, var. 
. Lucina borealis. 
. Lucinopsis undata. 
. Modiolaria discors. 
. Mya arenaria, L. 
truncata, L., 
yar. uddevallensis. 
. Mytilus edulis, Z. 
modiolus, LZ. 
. Nucula tenuis. 
. Ostrea edulis, L. 
. Pecten islandicus, 
Mill. 
septemradiatus, 
Miill. 
. Pholas crispata, L. 
. Psammobia tellinella, 
Lam. 
, Saxicayva arctica. 
. Scrobicularia alba. 
. Tapes decussatus. 
pullastra. 
. Tellina balthica, LZ. 
calcarea, Ch. 
REPORT—1863. 
CoNCHIFERA (continued). 
Synonyms. 
Tellina flexuosa, Mont. 
Axinus Sarsii, Lov. 
Tellina gibba, Oliv. 
Mya inequivalvis, Mont. 
C. nucleus, Lamarck. 
Venus islandica, L. 
Nucula arctica, Gray. 
Arca truncata, Br. 
A. glacialis, Gray (Wood's 
Suppl.). 
N. portlandica, Hitchcock. 
A. minuta, Diller. 
A. caudata, Donovan. 
A. pernula, Miill. 
L. macilenta, Steenstrup. 
A. pygma, v. Minster. 
N. lenticula, Moller. 
Venus borealis, LZ. 
V. undata, Pennant. 
Mytilus discors, Z. 
Modiola barbata, Lyell. 
Modiola papuana, Zam, 
M. vulgaris, Fleming. 
Arca tenuis, Dont. 
P. danicus, Ch. 
Mya arctica, Z. 
M. byssifera, Fabr. 
S. groenlandica, Potiez § Mi- 
chaud. 
Mactra alba, W. Wood. 
Venus decussata, L. 
Venus pullastra, Z. 
T. solidula, Pulteney. 
T. lata, Gm. 
T. sabulosa, Spengler. 
T. triangularis, ( Wahklenb.) 
Lyell. 
T. planata, His. 
T. proxima, Br. 
Remarks. 
Merging into the variety 
rustica. 
Lilleherstehagen. 
40 feet below the pre- 
sent sea-level (Malm), 
Lilleherstehagen. 
Not A. glacialis, Gray 
(Parry’s Voyage). 
Lilleherstehagen. 
Malm. 
Lilleherstehagen. 
Kuréd (Malm). 
Malm. 
Principally var. udde- 
vallensis. 
40 feet above sea-level 
(Malm). 
50 feet above sea-level 
(Malm). 
Psammobia sordida, Couthouy. 
