Oryzomys caliginosus (Tomes, 1860) . Proc. Zool. Soc. Lond., 1860:263.

TYPE LOCALITY: Ecuador, Esmeraldas Prov., Esmeraldas .

DISTRIBUTION: E. Honduras to S. Ecuador.

COMMENT: Subgenus Melanomys; see Gardner and Patton, 1976, Occas. Pap. Mus. Zool. La. St. Univ., 49:11, 16, and Voss and Linzey, 1981, Misc. Publ. Mus. Zool. Univ. Mich., 159:13.

ISIS NUMBER: 5301410008035014001.