190 PEROMYSCUS. 
BANDERAS FIELD MOUSE. 
Type locality. Terro Tepic, Valle de Banderas, State of Jalisco, 
Mexico. 
Geogr. Distr. State of Jalisco, Mexico; range unknown. 
Genl. Char. Above pale yellowish brown, dorsal region with 
black-tipped hairs; lateral line fulvous; outside of arms, under parts, 
hands, and feet white; outer side of legs grayish; ears brownish; tail 
above brown, beneath paler. 
Measurements. Total length, 226; tail vertebra, 112; hind foot, 
24. Skull: total length, 31; basal length, 25; interorbital constric- 
tion, 5; length of nasals, 11.5. (ex Type.) 
a.—vicinior (Peromyscus), Osgood, Proc. Biol. Soc. Wash., xvii, 
1904, p. 68. 
La SALADA DEER MOUSE. 
Type locality. La Salada, State of Michoacan, Mexico. 
Genl. Char. Similar to P. banderanus, but darker; skull narrower; 
anterior palatine foramina nearly elliptical. 
Color. ‘Slightly darker and more vinaceous than P. banderanus 
in worn or summer pelage; decidedly darker in winter pelage, with 
a definite dusky median dorsal area; markings about eyes, whiskers 
and ankles sooty black instead of brown; upper side of tail sooty 
instead of brownish. 
Measurements. Total length, 216; tail vertebra, 107; hind foot, 
27. Skull: greatest length, 31-32; Hensel, 23.3-24.1; zygomatic 
width, 14-14.3; interorbital constriction, 4.8-5; length of nasals, 
11.8-12.4; interparietal, 3.7X10.2-4.5x10.2; length of upper molar 
series, 4.4—4.6. 
b.—angelensis (Peromyscus), Osgood, Proc. Biol. Soc. Wash., xvi, 
1904, p. 69. 
PuERTO ANGEL MousE. 
Type locality. Puerto Angel, State of Oaxaca, Mexico. 
Genl. Char. Similar to P. banderanus, but larger; supra-orbital 
bead nearly obsolete. 
Color. Like P. banderanus, possibly slightly darker. 
Measurements. Total length, 235; tail vertebre, 123; hind foot, 
26.5. Skull: greatest length, 31.3-33.4; Hensel, 23.4-24.9; zygomatic 
width, 15—15.4; interorbital constriction, 5—5.2; length of nasals, 
11.7—12.8; length of upper molar series, 4.6. 
152. stephensi (Peromyscus), Mearns, Proc. U. S. Nat. Mus., 1897, 
p. 721. Elliot, Syn. N. Am. Mamm., rgo1, p. 136. 
