THE MAMMALS OF FLORIDA. 



123 



rule, the head is black, the back gray, and the under parts tawny ; 

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



Family DIDELPHIDv^. The Opossums. 



DIDELPHIS MARSUPIALIS VIRQINIANA {Kerr). 

 Opossum. 



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

 therefore, although so common is rarely seen. 



The Porpoise (^Phoccena phoccena Z.) and the Dolphin {Tur slops 

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

 ally enters the rivers. 



