310 
Mr. J. Gwyn Jeffreys on Dredging 
Name of Species. 
roche magus, D0... ood es 
Lacuna crassior, Mont. 
tumidus, Mont......... 
cinerarus, Zilch ks 
Montacuti, W. Wood .. 
millegranus, Ph........ 
mizyphinus, Le ....058+ 
occidentalis, Mighels 
divaricatus, Fabr. ...... 
puteolus, Zuri. 
ee 
pallidula, Da Cu. ...60.. 
Littorina obtusata, Z........... 
MeTHtOldes; Fi ais\s.0 ss 
rudis, Maton 
Tibtored, oe. xccsce eos 
| Rissoa reticulata, Mont. ........ 
cimico:des, Forb......... 
tJeflreysi, Waller 
punctura, Mont. ........ 
abyssicola, Forb.,....... 
Zetlandica, Mont. 
costata, Adams 
parva, Da C. 
inconspicua, Ald......... 
aUeliA, OO. a5 vse. s aia ws 
elie) b ye) le te 
Cecio) Ouccar pa 
eae r ase eees 
membranacea, Ad. ...... 
violacea, Desmarets its 
RUA TA Ad aot ad eis. 1 oh 
proxima, Ald. .......... 
vitrea, Mont. . 
soluta, Ph. 
semistriata, Mont. ...... 
cingillus, Mont. 
Ce 
ee 
eee eens 
Hydrobia ulvee, Penn........... 
Jeffreysia diaphana, Ald. 
opalina, Jeffr. .. ine 
globularis, Jeff. ...... 
Skenea planorbis, Fabr. ........ 
Homalogyra atomus, Ph. 
rote, Fe Geld. 6.44... Fs 
ly Heat | Northern, 
| | Souther, 
Remarks as to distribution 
and synonymy, 
The southern form is the 
variety variegata. 
Probably arctic. 
Gulf of Gascony. 
Corunna and Vigo (M‘An- 
drew). 
Arcachon (Fischer). 
North of Spain, and Vigo ; 
the Mediterranean loca- 
lities are doubtful. 
Corunna and Lisbon(M‘An- 
drew); Algiers (J. W. 
Flower). 
Corunna and Lisbon(M‘An- 
drew); the Mediterranean 
and Adriatic localities are 
doubtful. 
Shetland, fide Barlee. 
Adriatic, as 
(Brusina). 
RR. Oenensis 
Shetland, fide Fleming. 
Shetland, fide Barlee. 
Turbo stagnalis, L. 
