ON DREDGING AMONG 
THE SHETLAND ISLES. 
239 
Name of Species. 
CoNCHIFERA. 
Anomia ephippium, Z. 
patelliformis, Z........ 
Ostrea edulis, Z. ........++005- 
Pecten pusio, Z. 2... seers eee ee 
opercularis, LZ. 
septemradiatus, Mill. 
faratus, Gmelin 
tigrinus, Mill. 
tTeste, Bivona 
striatus, Miill........... 
tvitreus, Chemnitz 
similis, Laskey 
WHAKANIUS, Lie ian so = a oi 
Lima Sarsii, Dov............5- 
telliptica, Jeffreys 
subauriculata, Mont. ...... 
Loscombii, G. B. Sowerby. . 
Pinna rudis, L. 
eee vena 
@ ae ep elena)» 
eee renee 
Pe 
a 
Mytilus edulis, Z. 
modiolus, Z. 
Adriaticus, Lamarck.... 
phaseolinus, Ph........- 
Modiolaria marmorata, Forbes .. 
Gascony Liao as <laricias 
nigra, Gray 
Crenella decussata, Mont. ...... 
Nucula nucleus, Z. ............ 
nitida, G. B. Sow....... 
tenuis, Mont. .......... 
Leda pygmea, von Miinster .... 
minuta, Muil..........:6- 
tpernula, Miill...........-- 
+Limopsis aurita, Brocchi 
re 
ave eele 89 14 
a 
Pectunculus glycymeris, Z. .... 
Area pectunculoides, Seaccht .... 
Fobliqua, Ph... ....ssneeees 
tnodulosa, Miill. .......... 
tetragona, Poli .......... 
Lepton nitidum, Turton 
Clarkiz, Clark 
Montacuta substriata, Mont. .... 
+donacina, S. Wood 
bidentata, Mont. 
ttumidula, Jeffr. 
ferruginosa, Mont. .. 
Laszea rubra, Wont..........+45 
Kellia suborbicularis, Mont. .... 
teycladia, S. Wood ...... 
Lucina spirifera, Mont. ........ 
Porealisy is), are sia0s oh oe 
| Northern. 
letial alel 
Pere eae | Southern, 
ledalel I 
Remarks as to distribution 
and synonymy. 
P., Bruet, Payraudeanu. 
P. Gemellarit-fili, Biondi. 
P. pectinata of some authors, not of 
Linné. 
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. 
Coralline Crag. 
