93. [Emarginula crassa, Sowerby (M. C.)
Loc., fossil. Norway.
Loc., living. Scandinavian and Scottish Seas.]
94. [Capulus hungaricus (Patella sp.), Linnæus.
Hisinger enumerates this species found living in all the European Seas, among the drift fossils of Sweden.]
95. Velutina lavigata (Helix sp.), Linnæus.
Syn., Helix haliotoidea, Otho Fabricius. Bulla veluiina, Muller. Velutina capuloidea, Blainville. Velutina rupicola, Conrad.
Loc., fossil. Drift beds of Scotland and Ireland. Mammaliferous crag of Bramerton.
Loc., living. Seas of Celtic, Northern and Arctic Europe, Greenland and Boreal America.
Note. Occurs in the red crag.
96. Velutina elongata, Forbes and Goodsir.
Syn., Velutina lanigera, Möller?
Loc., fossil. Mammaliferous crag of Thorpe, according to Mr. Searles Wood.
Loc., living. Scottish Seas, very rare.
97. Velutina undata, Smith.
Syn., Velutina zonata, Gould.
Loc., fossil. Seas of Boreal America.
Loc., living. Clyde beds. [Canada.]
98. Lacuna Montacuti, Turton.
Syn., Helix lacuna, Montagu. Lacuna neritoidea, Gould?
Loc., fossil. Ireland.
Loc., living. Seas of Celtic and Northern Europe. Coast of Massachusetts.
99. Lacuna vincta (Helix sp.), Montagu, and β. Canalis, Turton. Lacuna pertusa, Gerrard.
Loc., fossil. Dalmuir, Bute.
Loc., living. Celtic and Northern Sees. Seas of Boreal America. The distribution of the Lacuna is coextensive with that of the Laminariæ.
100. Littorina littorea (Turbo sp.), Linnæus.
Loc., fossil. In the glacial beds of England and Ireland. Mammaliferous crag of Bramerton. Bridlington. [Sweden, Russia.]
Loc., living. Celtic and Northern regions of the European Seas.
Note. Numerous varieties, which have received as many names in Woodward's 'Geology of Norfolk,' occur in the red crag.
101. Littorina rudis (Turbo sp.), Maton.
Syn. (var). Turbo jugosus, Maton. Turbo obligatus, Say. β. Littorina tenebrosa (Turbo sp.), Maton.
Loc., fossil. Scottish, English; and Irish beds [Sweden].
Loc., living. Celtic, Northern and Arctic regions of the European Seas Coasts of Boreal America.
102. Littorina palliata, Say.
Syn., Turbo expansus, Brown and Smith. Littorina arctica, Möller.
