Mr. J. Gwyn Jeftreys on dredging 
312 
Name of Species. 
Natica Islandica, Gm. .......... 
Groenlandica, Beck....... 
ROLGIAG ER, cin cc calenateloe te 
CALCMA AC, lite ee eis 
eAN Gert, BOrDs eis ta'e ssa! 
Montacuti, Forb. ........ - 
Lamellaria perspicua, Z......... 
Velutina plicatilis, Miill......... 
leevigata, Penn. ...... 
+Torellia vestita, Jeffr. ......0.... 
Trichotropis borealis, Brod. § Sow. 
Aporrhais pes-pelecani, L....... 
Macandree, Jeff. .... 
Cerithium metula, Lov. .......- 
perversum, J, ...... 
Cerithiopsis tubercularis, Mont.. . 
Metaxa, Delle Chiaje 
tcostulata, Moller 
Purpura lapillus, Z............. 
Buccinum undatum, LZ. ....... 
Humphreysianum, 
Bennett 
Buccinopsis Dalei, J. Sow. ...... 
Trophon Barvicensis, Johnston . 
truncatus, Strdm 
Fusus antiquus, 2. o...'s salsa: 
INorvepicus, (Chex... ci 0. 
Turtoni, Bean 
eee erer ewes 
spliiknachtenes (C5 saocaccock 
eracilis, DGC. io alee sis): 
propinquus, Ald. ........ 
Berniciensis, King 
Nassameticulata, 2,0 os tiie a 62 coy: 
THCPHSSALRS NET 1 feito soe 
+Columbella halizeti, Jeffr. ...... 
MISTI, ALOU icecae a5 a 
Defrancia teres, Ford. .......... 
eracilis, Mont. ...... 
Leufroyi, Michaud .... 
linearis, Mont......... 
treticulata, Ren. ...... 
purpurea, Mont. ...... 
Pleurotoma costata, Don. ...... 
brachystoma, Ph. 
Northern, 
te 
Remarks as to distribution 
and synonymy. 
Southern. 
| 
| 
Perhaps N. fusca, De Blain- 
ville. 
Fossil in Sicily. 
Fossil in Sicily. 
Villafranca (Hanley) ; per- 
haps Cerithiopsis Barleet. 
Shetland, fide Barlee. 
Gulf of Lyons (Martin). 
oe in Sicily and Cala- 
ria. 
Fossil in Sicily and Calabria. 
An embryo capsule only in 
Shetland. 
Bay of Biscay. 
Brittany (Taslé). 
Arcachon (Fischer). 
Fossil in the Sicilian and 
other tertiary beds. 
Genus Thesbia, 
