from The Century Dictionary and Cyclopedia
- n. A kind of pond-mussel, or fresh-water bivalve, Anodonta cygneus.
Sorry, no etymologies found.
This particular mollusc is known by the name of swan-mussel; the young fry are sent into the water in April and May.
[Illustration: FRESH-WATER MUSSEL.] "Here is another swan-mussel, and, just look, papa," said Jack, "some other shells are fastened on it."