OYSTER n.
Hæmatopus, which frequent seashores and feed upon shellfish. The European species (H. ostralegus), the common American species (H. palliatus), and the California, or black, oyster catcher (H. Bachmani) are the best known. -- Oyster crab (Zoöl.) a small crab (Pinnotheres ostreum) which lives as a commensal in the gill…