56 FIELD MUSEUM OF NATURAL HISTORY ZOOLOGY, VOL. XL 



Map illustrating approximate distribution of Opossums in eastern United States. 

 Stragglers occasionally occur slightly farther north. 



Didelphis virginiana KERR. Type locality Virginia. Description as previously 

 given. 



Didelphis v. pigra BANGS. (Proc. Bost. Soc. Nat. Hist., XXVIII, 1898, p. 172.) 

 Type locality - Oak Lodge, opposite Micco, Brevard Co., Florida. Similar 

 but smaller and somewhat darker than virginiana; tail longer and more slender. 



