Patella amæna, of Say, note on, I. Lea, xl, 31.
— candida, xxxiv, 217.
*— tentorium, xxiii, 291.
*Pecten anatipes, xxiii, 293.f
*— calvatus, xxiv, 130.f
*— craticulus, xxiii, 293.
*— eboreus, xxiii, 341.
— maximus, xxxii, 248.
*— membranosus, xxiv, 130.f
*— perplanus, xxiii, 293.f