160 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



1900. Perognathus lordi columbianus OSGOOD, North Amer. 



fauna, no. 18, p. 40. September 20, 1900. 

 TYPE LOCALITY. Pasco, Franklin County, Washington. 



Perognathus formosus Merriam. 



1889. Perognathus formosus MERRIAM, North Amer. fauna, 



no. 1, p. 17. October 25, 1889. 

 TYPE LOCALITY. St. George, Washington County, Utah. 



Subgenus CHAETODIPUS Merriam. 



1889. Chaetodipus MERRIAM, North Amer. fauna, no. 1, p. 5. 

 October 25, 1889. Type. Perognathus spinatus MERRIAM. 



Perognathus baileyi Merriam. 



1894. Perognathus baileyi MERRIAM, Proc. acad. nat. sci. 



Phila., p. 262. September 27, 1894. 

 TYPE LOCALITY. Magdalena, State of Sonora, Mexico. 



* Perognathus hispidus Baird. 



1857. Perognathus hispidus BAIRD, Mamm. N. Amer., p. 421. 

 1885. Perognathus hispidus TRUE, Proc. U. S. nat. mus., vii 



(1884), p/599. 1885. 



TYPE LOCALITY. Charco Escondido, State of Tamaulipas, 

 Mexico. 



Perognathus hispidus paradoxus (Merriam). 



1889. Perognathus paradoxus MERRIAM, North Amer. fauna, 



no. 1, p. 24. October 25, 1889. 

 1900. Perognathus hispidus paradoxus OSGOOD, North Amer. 



fauna, no. 18, p. 44. September 20, 1900. 

 TYPE LOCALITY. Banner, Trego County, Kansas. 



Perognathus hispidus zacatecae Osgood. 



1900. Perognathus hispidus zacatecae OSGOOD, North Amer. 



fauna, no. 18, p. 45. September 20, 1900. 

 TYPE LOCALITY. Valparaiso, State of Zacatecas, Mexico. 



