ON DREDGING AMONG THE SHETLAND ISLES. 



239 



Name of Species. 



Remarks as to distribution 

 and synonymy. 



CONCHIFERA. 



Anomia ephippium, L 



patelliformis, L 



Ostrea edulis, L 



Pecten pusio, L 



opercularis, L 



septeniradiatus, MiilL 



faratus, Gmelin 



tigrinus, Mull 



tTestae, Bivona 



striatus, Mull 



tvitreus, Chemnitz 



similis, Laskey , 



maximus, L 



("Lima Sarsii, Lov 



felliptica, Jeffreys 



subauriculata, Mont 



Loscombii, G. B. Sowerby . 

 Pinna rudis, L 



Mytilus edulis, . . . . 



modiolus, L 



Adriaticus, Lamarck . . 



phaseolimis, Ph 



Modiolaria marmorata, Forbes 



discors, L 



nigra, Gray 



Crenella decussata, Mont 



Nucula nucleus, L 



nitida, G. B. Sow 



tenuis, Mont 



Leda pygmsea, von Munster . . 



minuta, MiilL 



tpernula, Mull , 



Limopsis aurita, Brocchi 



Pectunculus glycymeris, L. . 

 Area pectunculoides, Scacchi . 

 tobliqua, Ph 

 tnodulosa, Mull. 

 tetragona, Poll 

 Lepton nitidum, Turton 



Clarkise, Clark 



Montacuta substriata, Mont. . 

 fdonacina, S. Wood 



ttumidula, Jeffr. 



ferruginosa, Mont. 

 Lassea rubra, Mont 

 Kellia suborbicularis, Mont. . 



fcycladia, S. Wood 

 Lucina spirifera, Mont 

 borealis. L 



P. Bruei, Payraudeau. 



P. Gemellarii-Jilii, Biondi. 



P. pectinata of some authors, not of 

 Linne. 



Fossil in Calabria and Sicily. 



Possibly fossil. 



Fossil in the Coralline Crag, and in 

 miocene and pliocene beds on the 

 Continent. Perhaps an arctic 



species. 



A. scabra, Poli; A. aspera, Ph. 



A Coralline Crag fossil. 



loralline Crag. 



