Euneomys chinchilloides (Waterhouse, 1839) . Zool. Voy. H. M. S. "Beagle", Mammalia, p. 72.

TYPE LOCALITY: Chile, Tierra del Fuego, Straits of Magellan, south shore near eastern entrance .

DISTRIBUTION: Isla Grande de Tierra del Fuego, neighboring islands, and southernmost Chile; limits uncertain.

SYNONYMS: ultimus .

COMMENTS: Hershkovitz (1962) had suggested that other nominal species would prove to be synonyms of E. chinchilloides . This taxonomy has been followed (Mann, 1978; Yanez et al., 1987) but misrepresents species diversity in the genus (see Pearson and Christie, 1991).