Collections

One complete.

Three single shells.

Two shells.

Four single shells.

Eleven single shells

Five single shells

Common Mussel: class Lamellibranchia. Mytilus edulis (Linne): 2 complete, 1 single.

Fresh water Mussel: Margaritifera Margaritifera: Loch of Stenness. 2 complete.

Edible or Roman Snail: Helix pomatia, Dimme, Birsay.

Common or Garden Snail: Helix aspersa. Muller. 5 shells.