_Mus musculus_ Linnaeus, Systema Naturae, ed. 10, 1:62, 1758,
type from Upsala, Sweden.
_Range._--Probably throughout state.
_Specimens examined_, 4: nos. 100696-100699, of which one is from
TacAimbaro, 5,700 ft., and 3 are from 4 mi. S and 1 mi. E TacAimbaro,
4,500 ft.
_Remarks._--In each of our specimens the belly is dark, approximately
as dark as the back. The specimens caught by us were living in the
wild; that is to say, they were not caught in and around buildings.
Elliot (1903:141) records the species from PAitzcuaro.
=Rattus rattus alexandrinus= (Geoffroy)