_Sigmodon mascotensis_ Allen, Bull. Amer. Mus. Nat. Hist.,
9:54, March 15, 1897, type from San SebastiAin, near Mascota,
Jalisco.
_Sigmodon hispidus mascotensis_, Bailey, Proc. Biol. Soc.
Washington, 15:108, June 2, 1902.
_Range._--Larger part of state.
_Specimens examined_, 4: nos. 100629, 3 mi. N PAitzcuaro, 6,700 ft.;
100630, 2 mi. W PAitzcuaro, 7,700 ft.; 100632, 1-3/4 mi. S TacAimbaro,
5,700 ft.; 100631, 6 mi. S and 1 mi. E TacAimbaro, 4,000 ft.
_Remarks._--Bailey (1902:109) records a "very large" specimen from
QuerA(C)ndaro. Our specimens have shorter molariform tooth-rows than do
those from nearer the type locality, for example, those from Tuxpan,
Las Canoas, and Artenkiki, all three places in Jalisco.
=Sigmodon hispidus atratus= Hall