igof\ Brimley — Catalogue of Mammals. 7 



GENUS ZAPUS, COUES. 



a. A small, probably useless, tooth in front of first well devel- 

 oped grinder in upper jaw. Teeth 1 8 in number. Tau 

 in our species brown to the extreme tip {subgenus Zapus). 



4. Z. hudsonius americanus Barton. Southern Jumping- 

 Mouse. Back dusky brown faintly ting-ed with reddish buff, 

 sides reddish buff very slightly grizzled; under parts white 

 tinged with yellowish. L. l x /z. T. 4^. Hind foot l}i. Only 

 known in this State from Wake county (Raleig-h), the most 

 southern locality it has been recorded from. 



5. Z. hudsonius hudsonius Zimmermann. Northern Jump- 

 ing Mouse. Back yellowish brown; sides lig-ht grayish buff, 

 slightly sprinkled with black, belly white tinged with yel- 

 lowish. L. sy 2 . T. B}4. Hind foot 1 3-16. Known only in 

 this State from Roan Mt., the most southern locality from 

 which it is known. 



aa. A T o small tooth in front of first well developed grinder in 

 upper jazc', teeth 16; tail more or less tipped with white 

 ( su bgen us Napaezapus ) . 



6. Z. insignis roancnsis Preble. Roan Mt. Jumping Mouse. 

 Sides bright tawny ochraceous; >;ack much darker. Under 

 parts pure white. Tail more or less tipped with white. 

 L. 8^. T. S}i. Hind foot 1 3-16. Known only from the 

 evergreen forests of Roan Mt. 



FAMILY MURIDAE. 



Front teeth two, cheek teeth never more than three in each 

 jaw. In the species that occur within our limits the hind 

 feet and legs are never greatly elongated for jumping-. Ten 

 of the numerous genera occur in the State, one g-enus with its 

 three or four species being an introduction from the old 

 world, the remaining nine genera are all natives. 

 a. Grinding teeth with tubercles arrang-ed in three transverse 



rows, very distinct in teeth of upper jaw (subfam. 



Murinae, Old World Rats and Mice). Genus Mus. 



