JUMPING MOUSE 



"Interior valleys of southwestern Oregon and northwestern 

 California; limits of range unknown." (Preble) 

 Stickeen Jumping Mouse. — Zapus saltator Allen. 



Resembling trinotatus in color but smaller. Upperparts 

 (fall) yellowish, sprinkled with black; dorsal band well de- 

 fined, yellowish, plentifully mixed with black; ears edged 

 with yellowish; tail dusky above, gray below; underparts 

 clear white. Total length, 9.8 inches; tail vertebrse, 5.6 

 inches; hind foot, 1.28 inches. Found along "Telegraph 

 Creek south to mouth of Skeena River and Tschimshian 

 Peninsula ; limits of range unknown. ' ' (Preble) 



Genus Napaeozapus 



Dentition: Incisors, \; Canines, g ; Premolars, %; Molars, f = 16 



Distinguished from Zapus by absence of one tooth in each 

 upper jaw (premolar) and by the presence of a white tip on the 

 tail; otherwise color pattern is as in Zapus. 



Species and Subspecies of the Genus Napaeozapus 



Woodland Jiimping Mouse. — NapcEozapus insignis insignis 

 (Miller). 

 "Size rather large, larger than Zapus hudsonius, with longer 

 ears and paler, more fulvous coloration. Tail tipped with 

 white." (Preble) ^ Upperparts buff -yellow, lightly sprink- 

 led with black, bristly hairs; color clearer on cheeks, neck, 

 and narrow lateral line; dorsal band with black predominat- 

 ing, well defined; tail sharply bicolor, dark brown above, 

 white below, tip white above and below; feet white; under- 

 parts white. Total length, 9.5 inches; tail vertebrae 5.8 

 inches; hind foot, 1.24 inches. Found in "Canadian Zone 

 in eastern Canada and south to western Maryland." 

 (Preble) 



Roan Mountain Jumping Mouse. — Napceozapus insignis 

 roanensis (Preble). 

 Smaller than typical insignis and darker. "Sides bright 

 tawny ochraceous; entire upperparts, including ears, con- 

 siderably darker than in typical Z. iiisignis. Beneath, pure 

 white; amount of white on tail averaging less than in Z. 

 insignis.'* (Preble) Total length, 8.8 inches; tail verte- 

 brae, 5.2 inches; hind foot, 1.24 inches. Found only on 

 Roan Mountain, Mitchell County, North Carolina. 



Northern Woodland Jumping Mouse. — Napceozapus insignis 

 ahietoruni (Preble). 

 "Larger than typical Z. insignis, with shorter ears and 

 peculiar skull. . . . Apparently not distinguishable from 

 Z. insignis'' in color. Total length, 10.2 inches; tail verte- 

 brae, 6.4 inches; hind foot, 1.32 inches. Found "Probably 



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