Oryzomys polius Osgood, 1913 . Field Mus. Nat. Hist. Publ. Zool. Ser., 10:97.

TYPE LOCALITY: Peru, Amazonas, Tambo Carrizal, mountain slopes east of Balsas, 1500 m .

DISTRIBUTION: Alto Maranon (N. Peru).

COMMENT: Subgenus Oryzomys; see Cabrera, 1961:394.

ISIS NUMBER: 5301410008035053001.