TY - JOUR T1 - On the land operculate Mollusca collected during the "Skeat Expedition" to the Malay Peninsula in 1899-1900 JF - Proceedings of the Zoological Society of London Y1 - 1903 A1 - E.R. Sykes SP - 194 EP - 199 VL - 1903 UR - http://www.biodiversitylibrary.org/item/98587#258 ER -