160 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



1900. Pero(/)iathus lordl columbianus Osgood, Xorth Amer, 



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

 Type locality. — Pasco, Franklin County, Washington. 



Perognathus formosus Merriam. 



1889. Jr'trof/nathus 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 sphiatus Merriam. 



Perognathus baileyi Merriam. 



1894. Feroynathus baileyi Merriam, Proc. acad. nat. sci. 



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

 Type locality. — Magdaleua, State of Sonora, Mexico. 



* Perognathus hispidus Baird. 



1857. Feroynathus hispidus Baird, Mamm. X. Amer., p. 421. 

 1885. Feroynathus 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. Feroynathus paradoxus Merriam, Xorth Amer. fauna, 



no. 1, p. 24. October 25, 1SS9. 

 1900. Feroynathus hispidus paradoxus Osgood, Xorth Amer. 



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

 Type locality. — Banner, Trego County, Kansas. 



Perognathus hispidus zacatecae Osgood. 



1900. Feroynathus hispidus zacatecae Osgood, Xorth Amer. 



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

 Type locality. — Valparaiso, State of Zacatecas, Mexico. 



