MILLER AND REHN: NORTH AMERICAN MAMMALS. 153 



Genus PERODIPUS Fitzinger. 



1867. Pero<].ipu>< Fitzin'(;er, Sitzungsber. math.-nat. Classe, k. 

 Akad. Wissensch. Wien, lvi, p. 126. Type. — Dipodoinys agilis 

 Gambel. 



Perodipus agilis (Gamhel). 



1848. lJipo<Joni>/>< agilis Gambel, Proc. acad. nat. sci. Phila., 

 IV, p. 77. 



1886. Dipodomys agilis True, Proc. U. S. nat. mus., ix, p. 

 410. October 30, 1886. 



1894. Perodipus agilis Allex, 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 chapmani Mearns, Bull. Amer. mus. nat. 



hist., II, p. 291. February 21, 1890. 

 1894. Perodipus cJiapmiani Alleis', 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. Pipodoiiigs rotupactus True, Proc. L^. S. nat. mus., xi, 



p. 160. January 5, 1888. 

 1894. Perodipus conipactus 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. Pipodops longipes Merriam, North Amer. fauna, no. 3, 

 p. 72. September 11, 1890. 



1894. Perodipus longipes Allex, Abstract proc. Linn. soc. 

 New York, 1893-1894, p. 29. July 20, 1894. 



Type locality. — Foot of Echo Cliffs, Painted Desert, Co- 

 conino County, Arizona. 



