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 vertebrae, 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., xvn, 



1904, p. 68. 

 LA SALADA DEER MOUSE. 



Type locality. La Salada, State of Michoacan, Mexico. 



Genl. Char. Similar to P. banderamis, but darker; skull narrower; 

 anterior palatine foramina nearly elliptical. 



Color. "Slightly darker and more vinaceous than P. banderamis 

 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 vertebrae, 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., xvn, 



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 vertebras, 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. Stephens! (Peromyscus'), Mearns, Proc. U. S. Nat. Mus., 1897, 

 p. 721. Elliot, Syn. N. Am. Mamm., 1901, p. 136. 



