— despectus, xxxii, 251.
Mya margaritifera, xxxii, 68.
Mytilus edulis, xxxii, 252.
*— incrassatus, xli, 347.
— margaritiferus, xxxii, 56.
Naiades, some remarks on a memoir by I. Lea, xvi, 378.
—, sexual characters of, J. P. Kirtland, xxvi, 117.f
—, habits of, J. P. Kirtland, xxxix, 164.f
Natica canaliculata, xxxviii, 197.
*— canrena, xxxix, 387.