A System of Testaceous Malacology, Arranged Expressly for the Use of Schools, in Which the Animals, According to Cuvier, Are Given With the Shells, a Great Number of New Species Added, and the Whole Brought Up, as Accurately as Possible, to the Present Condition of the Science. This zoology book deals with mollusks.The term "Conchology," in its legitimate usage, is applied to that department of Natural History which has reference to animals with testaceous covering or shells