Eligmodontia puerulus (Philippi, 1896) . Anal. Mus. Nac. Chile, Zool. Ent., 13a:20.

TYPE LOCALITY: Chile, Antofagasta Prov., San Pedro de Atacama, 3223 m .

DISTRIBUTION: Altipiano of extreme S Peru, through NE Chile and W Bolivia, to NW Argentina.

SYNONYMS: hirtipes, jacunda, marica, tarapacensis.

COMMENTS: Reduced to a subspecies of E. typus by Hershkovitz (1962) but morphological (Mann, 1978; Osgood, 1943) and karyotypic (Kelt et al., 1991; Orteils et al., 1989) data sustain the specific recognition of E. puerulus .