Mesembriomys gouldii (Gray, 1843) . List Specimens Mamm. Coll. Br. Mus., p. 116.

TYPE LOCALITY: Australia, Northern Territory, Port Essington .

DISTRIBUTION: Australia; N Western Australia, N Northern Territory, N Queensland, Melville Isl, and Bathurst Isl (Watts and Aslin, 1981; Friend, 1991).

SYNONYMS: hirsutus (Gould, 1842, not Elliot, 1839), melvillensis, rattoides .

COMMENTS: Analyses of chromosomal and electrophoretic data (Baverstock et al., 1977«, c, 1981, 1983b) as well as phallic and dental morphology (Lidicker and Brylski, 1987; Misonne, 1969) indicated M. gouldii is phylogenetically most closely related to species of Conilurus .