- A ncylus fluviatilis, a patelliform aquatic Pulmonate.
The large spotted sea-lamprey (Petromyzon marinus), the river-lamprey or lampern (P. fluviatilis), and the small lampern or "pride" or "sand-piper" (P. branchialis).
C, Dolphin (Sotalia fluviatilis), with horizontal tail, fin or fluke.
Fluviatilis and the northern S.
I had the previous winter made a small quantity of lime by burning the shells of the Unio fluviatilis, which our river affords, for the sake of the experiment; so that I knew where my materials came from.