SPECIES OF THE GENUS MERCURIA BOETERS, 1971 (CAENOGASTROPODA: TRUNCATELLOIDEA: HYDROBIIDAE) FROM THE EUROPEAN MEDITERRANEAN REGION, MOROCCO AND MADEIRA, WITH DESCRIPTIONS OF NEW SPECIES. Folia Malacologica, 23(4), Dec 2015: 279-291. 285 [Zoological Record Volume 152]