Pappogeomys merriami (Thomas, 1893) . Ann. Mag. Nat. Hist., ser. 6, 12:271.

TYPE LOCALITY: Mexico, "Southern Mexico," probably Valley of Mexico .

DISTRIBUTION: WC Veracruz to Distrito Federal, Morelos, and surrounding areas, including SE Central Plateau and S Sierra Madre Oriental (Mexico).

SYNONYMS: estor Merriam, fulvescens Merriam, irolonis Nelson and Goldman, oreocetes Merriam, peregrinus Merriam, peraltus Goldman, perotensis Merriam, saccharalis Nelson and Goldman.

COMMENTS: Subgenus Cratogeomys . Polytypic; subspecies reviewed by Russell (1968b).