_Peromyscus banderanus vicinior_ Osgood, Proc. Biol. Soc.
Washington, 17:68, March 21, 1904, type from La Salada,
MichoacAin.
_Range._--Hot valleys of western part of state.
_Specimens examined_, 53: nos. 100543-100592, 100594, 100596, 100599,
distributed by localities, from TacAimbaro, as follows: 2-1/2 mi. S and
1 mi. E, 4,700 ft., 21; 4 mi. S and 1 mi E, 4,500 ft., 10; 6 mi. S,
4,000 ft., 6; 6 mi. S and 1 mi. E, 4,000 ft., 16.
_Remarks._--There is much variation in size in our animals. The three
largest males weigh, in grams, 67.5, 50.3, 48.9 and corresponding
figures for the two heaviest, nonpregnant, females are 53.5 and 48.3
grams. Of the 14 adult females, only one was recorded as having
embryos; it had two embryos each 24 millimeters in crown to rump
length. Where we trapped among big boulders and among the roots of
trees of the genus _Ficus_, _Peromyscus banderanus vicinior_ was the
only species of the genus taken. _Peromyscus boylii evides_ occurred
in the less tropical vegetation, altitudinally and zonally above _P.
b. vicinior_.
=Peromyscus melanotis= Allen and Chapman