PEROMYSCUS. 161 



ISLAND OF TIBURON MOUSE. 



Type locality. Tiburon Island, Gulf of California. Mexico. 

 Geogr. Distr. Known only from the type locality. 



334. Peromyscus cecilii Thomas. 



Peromyscus cecilii Thomas, Ann. Mag. Nat. Hist., ;th Ser., xi, 

 1903, p. 486. Elliot, Mamm. Middle Amer. & W. Indies. 

 F. C. M. Pub., iv, Pt. i, 1904, p. 178. Zool. Ser. 

 CECIL'S MOUSE. 



Type locality. Santa Barbara Camp, southern slope of Mt. Ori- 

 zaba, State of Vera Cruz, Mexico. Altitude, 12,500 feet. 



Geogr. Distr. State of Vera Cruz, Mexico. Range unknown. 



335. Peromyscus melanotis Allen & Chapman. 



Peromyscus melanotis Allen & Chapman, Bull. Am. Mus. Nat 

 Hist. N. Y., 1897, p. 203. Elliot, Mamm. Middle Amer. & 

 W. Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 178. Zool. Ser. 

 BLACK-EARED FIELD MOUSE. 



Type locality. Las Vigas, State of Vera Cruz, Mexico. 



Geogr. Distr. Range unknown. 



a. Peroinyscus melanotis zamelas Osgood. 



Peromyscus melanotis zamelas Osgood, Proc. Biol. Soc. Wash., 

 xvn, 1904, p. 59. Elliot, Mamm. Middle Amer. & W. Indies, 

 F. C. M. Pub., iv, Pt. i, 1904, p. 179. Zool. Ser. 

 JET MOUSE. 



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

 tude, 6,700 feet. 



Geogr. Distr. Range undetermined. 



336. Peromyscus affinis (Allen). 



Hesperomys affinis Allen, Proc. U. S. Nat. Mus., 1891, p. 195. 

 Peromyscus affinis Elliot, Mamm. Middle Amer. & W. Indies, 



F. C. M. Pub., iv, Pt. i, 1904, p. 180. Zool. Ser. 

 ALLIED FIELD MOUSE. 



Type locality. Barrio, State of Oaxaca, Mexico. 

 Geogr. Distr. Southeastern Mexico. 



a. PeTomyscus affinis musculoides (Merriam). 



Peromyscus musculoides Merr., Proc. Biol. Soc. Wash., xn, 1898 

 p. 124. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M, 

 Pub., iv, Pt. i, 1904, p. 180. Zool. Ser. 

 ALLIED HOUSE MOUSE. 



Type locality. Cuicatlan, State of Oaxaca, Mexico. 



Geogr. Distr. State of Oaxaca, Mexico. Range unknown. 



