Additions to the knowledge of the land snails of Sabah (Malaysia, Borneo), including 48 new species

47 Philalanka anomphala sp. n. 47A Frontal view 47B Umbilical view (Malaysia, Sabah, West Coast Province, Kinabalu N.P., Mesilau trail, RMNH.5003940, holotype, aperture reconstructed) 48 Philalanka rugulosa sp. n. 48A Frontal view, shell 2.7 mm high 48B Umbilical view (Malaysia, Sabah, West Coast Province, Kinabalu N.P., summit trail, RMNH.5003941, holotype, shell partly reconstructed) 49 Philalanka malimgunung sp. n. 49A Frontal view, shell 1.4 mm high 49B Umbilical view (Malaysia, Sabah, West Coast Province, Kinabalu N.P., summit trail, RMNH.5003942, holotype).