Bolomys lactens (Thomas, 1918) . Ann. Mag. Nat. Hist., ser. 9, 1:188.

TYPE LOCALITY: Argentina, Jujuy Prov., Leon about 1500 m .

DISTRIBUTION: N.W. Argentina.

COMMENT: Includes orbus, negrito, and leucolimnaeus; see Reig, 1978, Publ. Mus. Munic. Cienc. Nat. Mar del Plata "Lorenzo Scaglia," 2(8):164-190, who considered Bolomys a distinct genus.

ISIS NUMBER: 5301410008001019001 as Akodon lactens .