Sporadic papers /

Some of the papers are extracts from scientific periodicals.Binder's title.Shells of New England. A revision of the synonymy of the testaceous mollusks of New England.--Description of a new species of Helix [H. exigua]--Observations on the identity of Nucula navicularis and N. thraciaeformis.--On the structural characters of the so-called melanians of North America.--Sypnosis of the marine Invertebrata collected by the late Arctic expedition, under Dr. I.I. Hayes.--Review of the northern Buccinums, and remarks on some other northern marine mollusks. Part I.--Distribution of marine shells of Florida.Mode of access: Internet