280 BULLETIN 79, UNITED STATES NATION.AL MUSEUM. 



t*Dipo(iomys spectabilis cratodon Merriam. 



1907. l^ipodomys spectabilis cratodon Meeeiam, Proc. Biol. Soc. 



Washington, vol. 20, p. 75. July 22, 1907. 

 Type Locality. — Chicalote, Aguas Calientes, Mexico. 



Genus MICRODIPODOPS Merriam. 



1891. Microdipodops Merriam, North Amer. Fauna, No. 5, p. 

 115. July 30, 1891. Type, Microdipodops megacepJialus 

 Merriam. 



t*Microdipodops califomicus Merriam. 



1901. Microdipodops califomicus Merriam, Proc. Biol. Soc. 



Washington, vol. 14, p. 128. July 19, 1901. 

 Type Locality. — Sierra Valley, near Vinton, Plumas County, 

 California. 



t*Microdipodops megacephalus megacephalus Merriam. 



1891. Microdipodops megacephalus Merriam, North Amer. 



Fauna, No. 5, p. 116. July 30, 1891. 

 Type Locality. — Halleck, East Humboldt Valley, Elko County, 

 Nevada. 



t*Microdipodops megacephalus oregonus Merriam. 



1901. Microdipodops megacephalus oregonus Merriam, Proc. 



Biol. Soc. Washmgton, vol. 14, p. 127. July 19, 1901. 

 Type Locality. — Lake Alvord, Alvord Desert, Harney County, 

 Oregon. 



t*Microdipodops pallidus Merriam. 



1901. Microdipodops pallidus Merriam, Proc. Biol. Soc. Wash- 

 ington, vol. 14, p. 127. July 19, 1901. 

 Type Locality. — Ten miles east of Stillwater, near sink of the 

 Humboldt and Carson, Churchill County, Nevada. 



Family ZAPODID^. 



Subfamily Zapodin^. 



Genus ZAPUS Coues.^ 



1875. Zapus Coues, Bull. U. S. Geol. Surv. and Geogr. Terr., 

 ser. 2, vol. 1, p. 253. Type, Dipus hudsonius Zimmermann. 



*Zapus hudsonius hudsonius (Zimmermann). 



1780. Dipus hudsonius Zimmermann, Geogr. Gesch., vol. 2, p. 



358. 

 1875. Zapus hudsonius Coues, Bull. U. S. Geol. and Geogr. Surv. 



Terr., ser 2, vol. 1, p. 253. 



1 Revised by Treble, North Amer. Fauna, No. 15, pp. 13-32, August 8, 1S99. 



