question

[David Lewis]

Has anyone heard of the term "Oiliqua Chick"?  This is repeated in a letter
from Alexander Hamilton to George Gibbs, 1856 and described as a:

commodity, shellfish, trade item, nearly 3 inches long could be the
largest, and exists in California and Washington Territory.

Hamilton seemed very anxious to get ahold of any that Gibbs could find.

Is this Dentalia or some other well known shellfish?