Mesomys hispidus (Desmarest, 1817) . Nouv. Diet. Hist. Nat., Nouv. ed., 10:58.

TYPE LOCALITY: Brazil, Amazonas, Borba .

DISTRIBUTION: N and E Peru, E Ecuador, N Brazil.

SYNONYMS: ecaudatus, ferrugineus, spicatus.

COMMENTS: Formerly included stimulax; see Husson (1978:438).