MILLER AND REHN: NORTH AMERICAN MAMMALS. 153 
Genus PERODIPUS Fitzinger. 
1867. Perodipus Fitzixger, Sitzungsber. math.-nat. Classe, k. 
Akad. Wissensch. Wien, lvi, p. 1*26. Type. — Pipodomys agilis 
Gambel. 
Perodipus agilis (Gambel). 
1848. Dipodomys agilis Gambel, Proc. acad,. nat. sci. Phila., 
IV, p. 77. 
1886. Dipodomys agilis True, Proc. U. S. nat. nms., ix, p. 
410. October 30, 1886. 
1894. Perodipus agilis Allen, Abstract proc. Linn. soc. New 
York, 1893—1894, p. 28. July 20, 1894. 
Type locality. — Los Angeles, Los Angeles County, Cali¬ 
fornia. 
Perodipus chapmani (Mearns). 
1890. Dipodomys chapyyiani Mearns, Bull. Amer. mus. nat. 
hist., II, p. 291. February 21, 1890. 
1894. Peroelipus chapmani Allen, Abstract proc. Linn. soc. 
New York, 1893-1894, p. 29. July 20, 1894. 
Type locality. — Fort Verde, Yavapai County, Arizona. 
Regarded by Merriam (Science, n. s., ii, p. 417, September 17, 
1895) as identical with P. ordii. 
Perodipus compactus (True). 
1888. Dipodomys compactus True, Proc. U. S. nat. mus., xi, 
p. 160. January 5, 1888. 
1894. Perodipus comp)actus Allen, Abstract proc. Linn. soc. 
New York, 1893-1894, p. 29. July 20, 1894. 
. Type locality. — Padre Island, Cameron County, Texas. 
Perodipus longipes (Merriam). 
1890. Dipodops longipes Merriam, North Amer. fauna, no. 3, 
I? p. 72. September 11, 1890. 
1894. Perodipus longipes Allen, Abstract proc. Linn. soc. 
’r. New York, 1893-1894, p. 29. July 20, 1894. 
Type locality. — Foot of Echo Cliffs, Painted Desert, Co- 
* conino County, Arizona. 
