Vol. Ill] GRINNELL— MAMMALS OF CALIFORNIA 341 



Range — Lower Sonoran zone in Death Valley and adjacent 

 parts of the desert floor, Inyo County (Elliot, Field Col. Mus., 

 zool. sen, 3, 1904, p. 303). 



Dipodomys merriami nevadensis Merriam 

 Nevada Kangaroo Rat 



Original description- — Dipodomys merriami nevadensis Mer- 

 riam, Proc. Biol. Soc. Wash., 9, June 21, 1894, pp. Ill, 112. 



Type locality — Pyramid Lake, Washoe County, Nevada. 



Ra)igc — Lower and Upper Sonoran zones along the east- 

 central border of the state, in Mono and Inyo counties, south 

 into Owens Valley (Mus. Vert. Zool.). , 



Dipodomys merriami kernensis Merriam 



Kern Valley Kangaroo Rat 



Original description — Dipodomys merriami kernensis Mer- 

 riam, Proc. Biol. Soc. Wash.. 20, July 22, 1907, pp. 77, 78. 



Type locality — Onyx, Kern County, California. 



Range — Lower Sonoran zone on west slope of Sierran 

 divide in Kern Valley, Kern County : Onyx, Weldon and 

 Kelso Creek (Mus. Vert. Zool.). 



Dipodomys merriami nitratoides ]\Ierriam 

 Tipton Kangaroo Rat 



Original description — Dipodomys merriami nitratoides Mer- 

 riam, Proc. Biol. Soc. Wash., 9, June 21, 1894, p. 112. 



Type locality — Tipton, Tulare County, California. 



Sy)ionym — Tulare Pocket Rat. 



Ra)ige — Lower Sonoran zone in bed of southern San Joaquin 

 Valley, chiefly if not altogether on the west-side alkali plains, 

 from near Tulare Lake to Bakersfield (Mus. Vert. Zool.). 



Dipodomys merriami exilis Merriam 



Fresno Kangaroo Rat 



Original description — Dipodomys merriami exilis Merriam, 

 Proc. Biol. Soc. Wash.. 9, June 21, 1894, p. 113. 



Type locality — Fresno, San Joaquin Valley, California. 



Synonym — Least Pocket Rat. 



Range — Known only from the original description, as above. 



