Distribution of land and freshwater Mollusca in Corsica

A list of the land and freshwater Mollusca of Corsica is presented, based on the literature and collections made during 1977. The distribution of each species is listed for the 50km squares of the U.T.M. grid. The following species are reported from Corsica apparently for the first time: Ferrissia wautieri (Mirolli), Columella aspera Waldén, Toltecia pusilla (Lowe), Punctum pygmaeum (Draparnaud), Vitrea contracta (Westerlund), Milax nigricans (Philippi), Limax valentianus Férussac, Deroceras laeve (Müller), Deroceras panormitanum (Lessona & Pollonera), Euconulus alderi (Gray) and Pisidium personatum Malm.