162 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 



Perognathus per nix rostratus Osgood. 



1900. Perognathus pernix rostratus OSGOOD, North Amer. 



fauna, no. 18, p. 51. September 20, 1900. 

 TYPE LOCALITY. Camoa, Rio Mayo, State of Sonora, Mexico. 



Perognathus intermedius Merriam. 



1889. Perognathus intermedius MERRIAM, North Amer. fauna, 



no. 1, p. 18. October 25, 1889. 

 TYPE LOCALITY. Mud Spring, Mohave County, Arizona. 



Perognathus nelsoni Merriam. 



1894. Perognathus (Chaetodipus) nelsoni MERRIAM, Proc. 

 acad. nat. sci. Phila., p. 266. September 27, 1894. 



TYPE LOCALITY. Hacienda La Parada, about 25 miles north- 

 west of the City of San Luis Potosi, State of San Luis 

 Potosi, Mexico. 



Ferognathus nelsoni canescens (Merriam) . 



1894. Perognathus (Chaetodipus) intermedius canescens 



MERRIAM, Proc. acad. nat. sci. Phila., p. 267. September 



27, 1894. 

 1900. Perognathus nelsoni canescens OSGOOD, North Amer. 



fauna, no. 18, p. 54. September 20, 1900. 

 TYPE LOCALITY. Jaral, State of Coahuila, Mexico. 



Perognathus goldmani Osgood. 



1900. Perognathus goldmani OSGOOD, North Amer. fauna, 



no. 18, p. 54. September 20, 1900. 

 TYPE LOCALITY. Sinaloa, State of Sinaloa, Mexico. 



Perognathus artus Osgood. 



1900. Perognathus artus OSGOOD, North Amer. fauna, no. 18, 



p. 55. September 20, 1900. 

 TYPE LOCALITY. Batopilas, State of Chihuahua, Mexico. 



Perognathus fallax Merriam. 



1889. Perognathus fallax MERRIAM, North Amer. fauna, no. 



1, p. 19. October 25, 1889. 



TYPE LOCALITY. Reche Canyon, three miles southeast of Col- 

 ton, San Bernardino County, California. 



Perognathus anthonyi Osgood. 



1900. Perognathus anthonyi OSGOOD, North Amer. fauna, no. 

 18, p. 56. September 20, 1900. 



