Levi, Herbert Walter, 1921-2005-10-052005-10-051957http://hdl.handle.net/2246/324123 p. : ill., maps. ; 27 cm.Includes bibliographical references and index.48036110 bytesapplication/pdfen-USQH1 .A4 vol.112, art.1, 1957EnoplognathaTheridionThymoitesSpiders -- United StatesSpiders -- CanadaArachnida -- United StatesArachnida -- CanadaThe spider genera Enoplognatha, Theridion, and Paidisca in America north of Mexico (Araneae, Theridiidae). Bulletin of the AMNH ; v. 112, article 1text