Rattus morotaiensis Kellogg, 1945. Proc. Biol. Soc. Washington, 58:66.

TYPE LOCALITY: Indonesia, Moluccas, Pulau Morotai, off N coast of Pulau Halmahera.

DISTRIBUTION: Recorded only from Morotai Isl but probably occurs on Halmahara and nearby islands.

COMMENTS: A distinctive species probably related to native Rattus of New Guinea.