Rattus tunneyi (Thomas, 1904) . Novit. Zool., 11:223.

TYPE LOCALITY: Australia, Northern Territory, Mary River .

DISTRIBUTION: Australia; NE and SW Western Australia, Northern Territory, E Queensland, and NE New South Wales. Also recorded from offshore islands. Extant range vastly reduced from former distribution (see map in Taylor and Horner, 1973:89, and discussion in Watts and Aslin, 1981).

SYNONYMS: apex, austrinus, culmorum, dispar, melvilleus, vallesius, woodwardi .

COMMENTS: This species hybridized in the laboratory with R. colletti (Baverstock et al., 1983a, 1986).