1. Chimarrogale hantu a water shrew new to the fauna of the Malay Peninsula is described. Specimens were collected in lowland forest near Kuala Lumpur, and one specimen from the Cameron Highlands in Pahang, in montane forest.
2. The type shows the character of Thomas's genus Crossogale, but another specimen shows that ofChimarrogale s.s. as understood by Thomas. Crossogale Thomas is therefore synonymised with Chimarrogale Anderson.
3. A key to the known forms of Chimarrogale is given.