56 Frerp Museum or Natura History — Zoérocy, Vor. XI. 
: 
ae 
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 Bancs. (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. 
