THE MAMMALS OF FLORIDA. 



123 



rule, the head is bhick, the back gray, and the under parts tawny 

 length, including tail, 21 to 24; tail, 14 to 15. 



Family DIDELPHID.E. The Opossums. 



DIDELPHI5 MARSUPIALIS VIRQINIANA {Kerr). 

 Opossum. 



Abundant throughout the State. It is nocturnal in its habits, and, 

 therefore, althouiih so common is rarely seen. 



The Porpoise (^P/ioctena p/ioccena X.) and the Dolphin (^Tursiops 

 tiirsio Z.) occur on the coast of Florida, and the former occasion- 

 ally enters the riyers. 



