160 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
1900. Perognatlms lordi columbianus Osgood, North Amer. 
fauna, no. 18, p. 40. September 20, 1900. 
Type locality. — Pasco, Franklin County, Washington. 
Ferognathus formosus Merriam. 
1889. Perofpiathus formosus Mekriam, 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. i 
October 25, 1889. Type .—Perognathus s 2 yinatus^l.^BJSiAM.. ; 
/ 
Ferognathus baileyi Merriam. 
1894. Perognathus baileyi Merriam, Proc. acad. nat. sci. 
Phila., p. 262. September 27, 1894. 
Type locality. — Magdalena, State of Sonora, Mexico. 
* Ferognathus hispidus Baird. 
1857. Perognathus hisjyidus 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. 
Ferognathus hispidus paradoxus (Merriam). 
1889. Perognathus paradoxus Merriam, North Amer. fauna, 
no. 1, p. 24. October 25, 1889. 
1900. Perognathus hispndusparadoxus Osgood, North Amer. 
fauna, no. 18, p. 44. September 20, 1900. 
Type locality. — Banner, Trego County, Kansas. 
'; 
; ; 
Ferognathus hispidus zacatecae Osgood. t 
1900. Perognathus hispidus zacatecae Osgood, North Amer. 
fauna, no. 18, p. 45. September 20, 1900. I 
Type locality. — Valparaiso, State of Zacatecas, Mexico. 
