PBRODIPUS. 297 



h. Perodipus ordi eolumManus Merriam. 



Perodipus ordi columbianus Merr., Proc. Biol. Soc. Wash., ix, 

 1894, p. 115. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 238. Zool. Ser. 

 Columbian Kangaroo Rat. 



Type locality. Umatilla, at mouth Of Umatilla River, Plains of 

 the Columbia, Umatilla County, Oregon. 



Geogr. Distr. Plains of the Columbia, Oregon. 



734. Perodipus richardsoni (Allen). 



Dipodops richardsoni Allen, Bull. Am. Mus. Nat. Hist. N. Y., 



1891, p. 277. 

 Perodipus richardsoni Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 

 II, 1901, p. 238. Zool. Ser. 

 Richardson's Kangaroo Rat. 



Type locality. Source of the Beaver River, northwestern corner 

 of Indian Territory. 



Geogr. Distr. Oklahoma and Indian Territories. 



735. Perodipus chapmani (Meams). 



Dipodomys chapmani Meams, Bull. Am. Mus. Nat. Hist. N. Y., 



1890, p. 291. 

 Perodipus chapmani Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 237. Zool. Ser. Id. Mamm. Middle Amer. & W. 



Indies, F. C, M. Pub., iv, Pt. i, 1904, p. 350, fig. 66. Zool. 



Ser. 

 Chapman's Kangaroo Rat. 



Type locality. Fort Verde, Yavapai County, Arizona. 

 Geogr. Distr. Elevated central tract, Arizona. 



736. Perodipus sennetti (Allen). 



Dipodops sennetti Allen, Bull. Am. Mus. Nat. Hist. N. Y., 1891, 



p. 226. 

 Perodipus sennetti Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



II, 1901, p. 239. Zool. Ser. 

 Bennett's Kangaroo Rat. 



Type locality. Near Brownsville, Cameron County, Texas. 

 Geogr. Distr. Southeastern Texas. 



737. Perodipus microps Merriam, 



Perodipus microps Merr., Proc. Biol. Soc. Wash., xvii, 1904, p. 



145- 

 Small-face Kangaroo Rat. 



Type locality. Lone Pine, Owens Valley, Inyo County, California. 

 Geogr. Distr. Known only from the type locality. 



