GRASSHOPPER MOUSE 



Sooty Grasshopper Mouse. — OnycJiomys leucogaster fiiligi- 

 nosus (Merriam). 

 Resembling melanophrys, but pelage very dark. Upperparts 

 dark blackish brown; sides lighter; ear tufts colored like 

 head, not conspicuous; tail blackish brown above, white at 

 tip and on underside; underparts white. Total length, 6.4 

 inches; tail vertebra, 1.9 inches; hind foot, .86 inch. Found 

 in "Lava beds and pinyon and cedar belt, east and northeast 

 of San Francisco Mountain, Arizona." (Hollister) 



New Mexico Grasshopper Mouse. — OnycJiomys leucogaster 

 ruidoscB (Stone and Rehn). 

 Resembling melanophrys but darker and more richly colored. 

 Upperparts rich, glossy wood-brown, washed with rich 

 cinnamon and finely sprinkled with dark brown; sides 

 lighter than back, almost pure cinnamon posteriorly; incon- 

 spicuous ear tufts pale cinnamon-brown ; tail above, grayish 

 brown, tip and underside whitish, underparts whitish. 

 Total length, 6.2 inches; tail vertebra, 2.0 inches; hind foot, 

 .9 inch. Found chiefly in "the mountainous region of 

 southeastern Arizona and central and southwestern New 

 Mexico. North to Camp Verde, Arizona, and to the 

 Manzano Mountains and Las Vegas, New Mexico ; east to 

 the Capitan Mountains; south into northern Chihuahua 

 and Sonora." (Hollister) 



Arizona Grasshopper Mouse. — OnycJiomys leucogaster capitu- 

 latus Hollister. 

 Resembling ruidosce but smaller. Upperparts and rest of 

 pelage essentially as in ruidosce. Total length, 5.9 inches; 

 tail vertebras, 1.8 inches; hind foot, ,88 inch. Found in 

 lower end of Prospect Valley (Grand Canyon) and Aubrey 

 Valley, Arizona. 



Long-footed Grasshopper Mouse. — OnycJiomys leucogaster 

 long! pes (Merriam) . 

 "Size large; colors dull; ears larger than in any other sub- 

 species of leucogaster. . . . Upperparts drab, darkest on 

 middle of back; fmel}^ lined with darker brownish, and with 

 a wash of pale cinnamon over lower back and hips; an 

 indistinct stripe of cinnamon along sides between color of 

 upperparts and white of underparts, from fore legs to base 

 of tail ; a blackish spot each side of nose at base of whiskers ; 

 ear tufts scant, pale cinnamon color. Tail brown above 

 with white tip; whitish below, not sharply bicolor. Under- 

 parts white, the hairs of throat and fore legs white to bases. 

 There is little difference in the color of adults at any season." 

 (Hollister) Total length, 6.6 inches; tail vertebrce, 2.2 

 inches; hind foot, .92 inch; ear from notch (dry skin), ,64 

 inch. Found in "Central and southern Texas. . . . North 

 to Tom Green and Concho Counties, Texas; west to the 

 Pecos River; southeast to Rockport and Nueces Bay, 

 Texas; south to Victoria, Tamaulipas. Lower Sonoran 

 Zone." (Hollister) 



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