224 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. XL 



Map illustrating approximate distribution of Pine Mice belonging to the subgenus Pilymys. 



Microtus pinetorum (LECoNTE). (Ann. Lye. Nat. Hist. N. Y., Ill, 1830, p. 133.) 

 Type locality Pine forests of Georgia. General color cinnamon or russet 

 brown; belly dusky, more or less tinged with russet brown; tail short; ears 

 very small. Total length, about 4.50 inches; tail vertebrae, .70 inch. 



Microtus p. scalopsoid.es (Auo. & BACH.). (Proc. Acad. Nat. Sci. Phila., I, 1841, p. 

 97.) Type locality Long Island, New York. Larger and darker than pine- 

 torum. Description as previously given. 



Microtus p. auricularis BAILEY. (Proc. Biol. Soc. Wash., XII, 1898, p. 90.) Type 

 locality Washington, Adams Co., Mississippi. About equal in size to pine- 

 torum, but color approaching scalopsoides; fur thick and dense. 



Microtus nemoralis (BAILEY). (Proc. Biol. Soc. Wash., XII, 1898, p. 89.) Type 

 locality Stilwell (Boston Mountains), Indian Territory. Largest of the 

 subgenus and coloration somewhat lighter than scalopsoides. 



