Rattus lutreolus (J. E. Gray, 1841) . In G. Gray, App. C in Jour. Two Exped. Aust., 11:409.

TYPE LOCALITY: Australia, New South Wales, Hunter River, Moscheto Isl (locality of lectotype; see Mahoney and Richardson, 1988) .

DISTRIBUTION: Tasmania; coastal and subcoastal habitats from vicinity of Adelaide in SE South Australia east and north through Victoria, New South Wales to SE Queensland; isolated populations occur in N Queensland (see maps in Taylor and Horner, 1973:53, and Watts and Aslin, 1981:231).

SYNONYMS: cambricus, imbil, lacus, pachyurus, petterdi, tetragonurus, vellerosus, velutinus .

COMMENTS: Watts and Aslin (1981) provided a comprehensive discussion of the species. See Taylor and Calaby (1988b, Mammalian Species, 299).