perognathus. ;{18 



Broad-nosed Pocket Mouse. 



Type locality. Camoa, Rio Mayo, State of Sonora, Mexico. 



Geogr. Distr. Southern part of the State of Sonora, and northern 

 portion of the State of Sinaloa, plains of the coast, Mexico. 



771. Perognathus intermedius Merriam. 



Perognathus intermedius Merr., N. Am. Faun., No. i, 1889, p. 18, 

 pi. II, fig. 13. Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 253. Zool. Ser. Id. Mamm. Middle Amer. & W. In- 

 dies, F. C. M. Pub., IV, Pt. I, 1904, p. 364. Zool. Ser. 



Perognathus obscurus Merr., N. Am. Faun., No. i, 1889, p. 20. 

 Intermediate Pocket Mouse. 



Type locality. Mud Spring, Mohave County, Arizona. 



Geogr. Distr. Arizona, New Mexico, and northern Mexico. 



772. Perognathus nelsoni Merriam. 



Perognathus nelsoni Merr., Proc. Acad. Nat. Scien. Phil., 1894, 

 p. 266. Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. 

 Pub., IV, Pt. I, 1904, p. 364. Zool. Ser. 

 Nelson's Pocket Mouse. 



Type locality. Hacienda La Parada, 25 miles northwest of the 

 city of San Luis Potosi, State of San Luis Potosi, Mexico. 



Geogr. Distr. States of San Luis Potosi and Durango, south into 

 the State of Jalisco and east into the State of Tamaulipas, Mexico. 



a. PerogrKttlius nelsoni cane seen s (Merriam). 



Perognathus intermedius canescens Merr., Proc. Acad. Nat. Scien. 



Phil., 1894, p. 267. 

 Perognathus nelsoni canescens Elliot, Mamm. Middle Amer. & W. 

 Indies, F. C. M. Pub., iv, Pt. i, 1904, p. 365. Zool. Ser. 

 Jaral Pocket Mouse. 



Type locality. Jaral, State of Coahuila, Mexico. 

 Geogr. Distr. Known only from the type locality 



773. Perognathus goldmani Osgood. 



Perognathus goldmani Osgood, N. Am. Faun., No. 18, 1900, p. 54, 

 Elliot, Mamm. Middle Amer. & W. Indies, F. C. M. Pub., iv, 

 Pt. I, 1904, p. 365. Zool. Ser. 

 Goldman's Pocket Mouse. 



Type locality. Sinaloa, State of Sinaloa, Mexico. 



Geogr. Distr. States of Sonora and Sinaloa, Mexico; coast plains. 



a. Perognathus goldmani artus (Osgood). 



Perognathus artus Osgood, N. Am. Faun., No. 18, 1900, p. 55. 

 Perognathus goldmani artus Elliot, Mamm. Middlt Amer. & W. In- 

 dies, F. C. M. Pub., IV, Pt. I, 1904, p. 365. Zool. Ser. 



