128 Joshua Laerm, et al. 



Howell in the Blue Ridge and Appalachian provinces; and N.f. illinoen- 

 sis Howell on the lookout Plateau. We follow Schwartz and Odum 

 (1957) in recognizing N. f. illinoensis as the subspecies occurring in 

 Dade County. 



Clethrionomys gapperi carolinensis (Merriam), Southern Red- 

 backed Vole. Reaches the southern limit of its range in north Georgia, 

 where it occurs only rarely in mesic hardwood habitats, generally above 

 610 m (2000 ft), in Union, Town, and Rabun counties. 



Microtus pennsylvanicus pennsylvanicus (Ord), Meadow Vole. A 

 rare species in north Georgia, where it reaches the southern limit of its 

 range. It is found in the upper Piedmont, Blue Ridge, and Appalachian 

 provinces. 



Microtus pinetorum (LeConte), Woodland Vole. A semi-fossorial 

 mouse found statewide except in the extreme southeastern counties. It is 

 most common in wooded areas, but may be locally abundant in old- 

 fields and orchards. Three subspecies are recognized in Georgia (Smolen 

 1981; Hall 1981): Microtus pinetorum pinetorum (LeConte) occurs 

 throughout the Piedmont and the upper Coastal Plain; M. p. auricularis 

 (Bailey) occurs in the Ridge, Valley, and Lookout provinces; and M. p. 

 parvulus (Howell) occurs in the extreme south central counties. 



Neofiber alleni exoristus Schwartz, Round-tailed Muskrat. This 

 species occurs in the Okefenokee Swamp and surrounding areas of 

 Camden, Charlton, and Ware counties, but is common only in the 

 prairie habitat of the Okefenokee swamp. 



Ondatra zibethicus zibethicus (Linnaeus), Muskrat. Statewide north 

 of the Fall Line, and locally abundant in appropriate aquatic habitats. 



Rattus rattus (Linnaeus), Black Rat. An introduced, statewide spe- 

 cies, most common on the lower Coastal Plain. 



Rattus norvegicus (Berkenhout), Norway Rat. An introduced, 

 statewide species, common in association with human habitations, 

 dumps, and similar places, although it also occurs in a variety of natural 

 habitats. 



Mus musculus (Linnaeus), House Mouse. An introduced, statewide 

 species, most frequently found in association with human habitations 

 but also known from a variety of natural habitats. 



Zapus hudsonius americanus (Barton), Meadow Jumping Mouse. 

 A rare species in Georgia, where it is at the southern limit of its range, 

 and known only from widely scattered locations in the Piedmont, Blue 

 Ridge, and Appalachian provinces. It is generally restricted to moist 

 meadows. 



Napaeozapus insignis roanensis (Preble), Woodland Jumping 

 Mouse. Rare in Georgia, where it is at the southern limit of its range 

 and occurs in the extreme northern counties. It generally occurs at ele- 



