200 Furtp Museum or NaturaL History — Zoézoey, Vot. XI. 
Special characters— The golden brown color of the upper parts will readily 
distinguish it from others of the genus, which occur within our limits. 
Description — Upper parts bright tawny brown or “golden brown,” 
middle of the back tinged with darker brown; under parts cream 
white, often showing a faint tinge of tawny buff; hairs on under parts 
(except throat) with concealed bases plumbeous slate color, the 
tips white; face about the same color as sides, without any blackish 
marking; feet cream white; tail dark brown above, white beneath. 
Measurements — Total length, 6.25 to 7 in. (158 to 178 mm.); tail verte- 
bree, 2.80 to 3.25 in. (7o to 82 mm.); hind foot, .75 in. (19 mm.). 
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Map illustrating approximate distribution of the Northern Golden Mouse ( Peromyscus nuttalli) 
and the Southern Golden Mouse (P. n. aureolus). 
Peromyscus nuttalli (HARLAN). (Month. Amer. Journ. Geol. & Nat. Sci., Phila., 
1832, p. 446.) Type locality — Norfolk, Virginia. Similar to aureolus, but 
averaging larger, with somewhat larger skull and molar teeth. Total length, 
6.87 to 7.50 in. (175 to 190 mm.); tail vertebra, 3.25 to 3.65 in. (82 to 93 mm.). 
Peromyscus n. aureolus (Aup. & Bacu.). Type locality —Oak forests of South Caro- 
lina. Averaging smaller than nuttalli. Description as previously given. Total 
length, 6.25 to 7 in. (158 to 178 mm.); tail vertebra, 2.80 to 3.25 in. (70 to 82 
mm.). Occurs within our limits in southern Illinois. 
