PEROMYSCUS. 17!! 



Genl. Char. Similar to P. rufinus ; colors paler, ears larger. 



Color. Above yellowish brown, with a tinge of reddish, darkest 

 on dorsal line; sides brighter; under parts and feet white; tail black 

 above, rest white; ears black, edged with white. 



Measurements. Total length, 160-164; tail vertebrae, 66-71; hind 

 foot, 20; ear, 20. Skull: total, length, 27; basal length, 22; zygo- 

 matic breadth, 14; interorbital constriction, 4; length of nasals, 11.5; 

 palatal length, n ; length of upper tooth row, 4. (Type.) 



a. zamelas (Peromyscus), Osgood, Proc. Biol. Soc. Wash., xvn, 



1904, p. 59. 

 JET MOUSE. 



Type locality. Colonia Garcia, State of Chihuahua, Mexico. Alti- 

 tude, 6,700 feet. 



Genl. Char. Similar to P. mclanotis, but more sooty; size small. 



Color. Broad black stripe from top of head to base of tail ; sides 

 dark cinnamon rufous suffused with sooty; orbital ring and base of 

 whiskers black; sides of face sooty; patch below eye and lateral 

 line rufous; under parts white, plumbeous under fur showing; tail 

 above black, beneath white; hands and feet white. 



Measurements. Total length, 160; tail vertebras, 63; hind foot, 

 20. Skull: greatest length, 25.9; Hensel, 19.3; zygomatic width, 13; 

 interorbital constriction, 4; interparietal, 8x2.2; length of nasals, 

 ii ; palatal length, 3.8; palatine foramina, 5.3X2.1 ; postpalatal length, 

 8.5; length of upper molar series, 3.3. 



134. spicilegus (Peromyscus) , Allen, Bull. Amer. Mus. Nat. Hist., 



1897, p. 50. 

 JALISCO SMALL-EARED MOUSE. 



Type locality. Mineral San Sebastian, Mascota, State of Jalisco, 

 Mexico. 



Geogr. Distr. State of Jalisco, Mexico; range unknown. 



Genl. Char. Similar to P. floridanus; ears smaller, tail longer. 



Color. Above yellowish brown and dusky, darkest on dorsal line ; 

 sides yellowish; lateral line ochraceous; under parts white; outer 

 surface of arms to wrist fulvous; tarsus dusky, hands and feet white; 

 ears dusky; tail above brown, beneath white. 



Measurements. Total length, 188; tail vertebrae, 92; hind foot, 

 20. Skull: total length, 28; basal length, 22; interorbital constric- 

 tion, 5; length of nasals, 10. (ex Type.) 



a. evides (Peromyscus), Osgood, Proc. Biol. Soc. Wash., xvn., 



1904, p. 64. 

 JUQUILA MOUSE. 



Type locality. Juquila, State of Oaxaca, Mexico. 



