Phyllotis caprinus Pearson, 1958 . Univ. Calif. Publ. Zool., 56:435.

TYPE LOCALITY: Argentina, Jujuy Prov., Tilcara, 8000 ft. (2438 m) .

DISTRIBUTION: N. Argentina and S. Bolivia on E. slope of Andes.

COMMENT: Reviewed by Pearson and Patton, 1976, J. Mammal., 57:339, who considered caprinus a distinct species. Hershkovitz, 1962, Fieldiana Zool., 46:330, included it as a subspecies of darwini .