‘OLS i.) Land Mammals of California. 
Family GEOMYIDA. Gophers. 
46. Thomomys talpoides bulbivorus (Richardson). 
PacIFIC GOPHER. 
47. Thomomys talpoides umbrinus (Richardson). 
BLACK-FACED GOPHER. 
48. Thomomys perpallidus Merriam. 
DESERT GOPHER. 
Family SACCOMYIDA:. Pouched Rats. 
49. Perognathus penicillatus Woodhouse. 
TUFT-TAILED POCKET MoussE. 
50. Perognathus monticola Baird. 
MOUNTAIN PocKET MousE. 
51. Perognathus longimembris (Coues). 
52. Perognathus inornatus Merriam. 
PLAIN PocKET Mousr.—Fresno. 
53. Perognathus fallax Merriam. 
SAN BERNARDINO POCKET MOUSE. 
54. Perognathus spinatus Merriam. 
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SPINED Pocket Movusrt.—Lower Colorado River, California. 
55. Perognathus californicus Merriam. 
CALIFORNIA Pocket Mouse.—Berkeley. 
56. Perognathus armatus Merriam. 
Mount D1as_o Pocket Mousr.—Mt. Diablo. 
57. Dipodomys phillipsi (Gray). 
PHILLIP’s PockeT Rat. 
[58.] Dipodomys agilis Gambel. 
59. Dipodomys deserti Stephens. 
DEsERT Pocket Rat. 
60. Dipodomys californicus Merriam. 
CaLirorniA Pocket Rat.—Ukiah, Mendocino County. 
Family ZAPODIDA. Jumping Mice. 
61. Zapus hudsonius (Zimmermann). 
JumpInG Mouse. 
Family HYSTRICID/:. Porcupines. 
62. Erethizon epixanthus Brandt. 
_ WESTERN PorcupPIne. 
