Vor. IIT] GRINNELL—MAMMALS OF CALIFORNIA 335 
Perognathus californicus femoralis Allen 
Dulzura Pocket Mouse 
Original description—Perognathus femoralis Allen, Bull. 
Aimets Mus: Nat. Elist:, 3, june 30, 1389) po. 261. 
Type locality—Dulzura, San Diego County, California. 
Synonym—Perognathus californicus dispar, part; Great 
California Pocket Mouse. 
Range—High Upper Sonoran zone in the San Diegan dis- 
trict, from the Mexican line north to the southwest slopes of 
the San Bernardino Mountains (Mus. Vert. Zool.). 
Perognathus spinatus spinatus Merriam 
Spiny Pocket Mouse 
Original description—Perognathus spinatus Merriam, N. 
“Ainera anal October tasOr myZ i: 
Type locality—California side of the Colorado River, 25 
miles below The Needles, San Bernardino County. 
Range—Lower Sonoran zone on hilly parts of the Colorado 
desert, from the Mexican line northwest to Palm Springs, 
Riverside County, and along the Colorado River to near 
Needles (Osgood, N. Amer. Fauna, 18, 1900, p. 60; Mus. 
Wert.7Zooly)- 
Perodipus agilis agilis (Gambel) 
Gambel Kangaroo Rat 
Original description—Dipodomys agilis Gambel, Proc. 
Acad. Nat. Sci. Phila., 4, August, 1848, pp. 77, 78. 
Type locality—Los Angeles, Los Angeles County, Califor- 
nia. 
Synonyms—Gambel Pocket Rat; ?Dipodomys heermanni Le 
Conte: genocs Acadi Nat. Sci Phila.. January, 18535, p: 224. 
(type taken by Heermann in the “Sierra Nevada’’—possibly 
Fort Tejon) ; ?7Dipodomys wagneri Le Conte, /. c. (no locality ; 
possibly not from California). 
Range—Upper and Lower Sonoran zones in the San Diegan 
district, from the Mexican line northwest at least into Ventura 
County (Mus. Vert. Zool.). 
