Ultima Thule; or, A Summer in Iceland. vol. 1/2

by Sir Richard Francis Burton

1. Littorina obtusata, Linné; var. = L. palliata, Say. = L. limata, Lovén.

Land—

2. Helix arbustorum, L.

3. Succinea putris, L.; var. Groenlandica, Beck.

Fresh-water—

4. Pisidium nitidum, Jenyns; var. Steenbuchii, Müller.

5. Limnæa peregra, Müller; var. Vahlii, Beck.

“Most of the land shells of Iceland are usually thin, from a deficiency of lime or calcareous material. This is not the case with the succinea, or with the fresh-water shells, and much less with the marine.

“Nearly all your shells were broken.—Yours truly,

(Signed) “J. GWYN JEFFREYS.”