DIPODOMYS. 



and side of mouth white; a white spot over the ej-es and another 

 behind the ear, and a white stripe across the thighs usually reaching 

 the tail. 



Fig. 53. DipODOMYS merriami. 



No. 580 Field Columbian Museum Coll. Nat. size. 



Lower tooth row. 

 Enlarged 8 times. 



Upper tooth row. 

 Enlarged S times. 



352. merriami. {Dipodomys), Mearns, Bull. Amer. Mus. Nat. Hist., 

 i8go, p. 290. 



Type locality. New River, Arizona. 



Geogr. Disir. Arizona. 



Genl. Char. Limbs and tail slender, latter longer than head and 

 body; skull small. 



Color. Above mouse gray tinged with pinkish buff: sides sandy; 

 nose and sides of face black nearly to eyes; aural spot and under 

 parts white. Tail drab gray, white band on either side, not reaching 

 extremity. 



Measurements. Total length, 281; tail vertebra?, 149; hind 

 foot, 36. 



(I .—nevadensis. {Bipodonns), Merr., Proc. Biol. Soc. Wash., 1894, 

 p. III. 

 Type locality. Pyramid Lake, Nevada. 

 Geogr. Distr. Northwestern Nevada. 



