114 Field Museum or Natural History — Zoology, Vol. XI. 



S. n. texanus 



^'^ OF MEXICO 



4j Area of Intergradatlon 



Map illustrating approximate distribution of Fox Squirrels in eastern United States. 

 In the areas indicated by the blank spaces between the ranges given for different races, either 

 or both may occur together with intermediate forms. 



(Syst. Nat., X ed., I, 1758, p. 64.) Type locality — Probably 

 Largest of the Fox Squirrels; color variable but ears and 



Sciurus niger Linn. 



South Carolina. 



nose white. 

 Sciurus n. rufiventer (Geoffroy). Type locality — Probably Lower Mississippi 



Valley. Somewhat smaller than niger; ears and nose never white. 

 Sciurus n. neglectus (Gray). (Ann. & Mag. Nat. Hist., 3d ser., XX, 1867, p. 425.) 



Type locality — Wilmington, Delaware. Averaging somewhat larger than 



rufiventer; belly very pale, often white or whitish. 

 Sciurus n. texianus (Bachman). (Proc. Zool. Soc. Lond., 1838, p. 86.) Type 



locality — Texas. Similar to rufiventer, but smaller and paler. 



