30 NORTH AMERICAN FAUNA (iO, llSli AND WILDLIFE SERVICE 



j^. Skull more massive; known geographic range excluding southwestern 

 coast of Salvador. 

 k^. Skull longer and narrower; dentition heavier; known geographic 

 range Costa Rica, Nicaragua, and Honduras 



P. I. rrassulens (p. 69). 

 fc2. Skull shorter and broader; dentition lighter; known geographic 



range Panama P. I. pumilus (p. 70). 



a^. Geographic range insular (at least in part). 

 /)'. (leograjihic range off Pacific coast. 



r'. Georgaphic range Vancouver Island P. I. vancouverensis (p. 61). 



C-. Geographic range oflf west coast of Mexico [P. insularis and subspecies], 

 f/'. Color paler; geographic range Maria Madre Island, Nayarit 



P. i. insularis (p. 72). 

 d'-. Color darker; geographic range Maria Magdalena Island, Nayarit 



P. i. vicinus (p. 73). 

 62. Geographic range off Atlantic coast (at least in part), 

 c'. Geographic range far offshore islands (Bahamas and Lesser Antilles). 

 d}. Geographic range Bahama Islands (New Providence Island) 



P. maynardi (p. 75). 

 d^. Geographic range Lesser Antilles, 

 gi. Color darker; upper carnassial longer than broad; geographic range 



Barbados Island P. gloveraUeni (p. 79). 



e^. Color paler; upper carnassial shorter than broad; geographic range 



Guadeloupe Island P. minor {p. 77). 



c^. Geographic range coastal islands (at least in part). 

 d^. Size larger; hind foot more than 90 mm.; geographic range southern 

 Florida Keys and islands and coasts of Georgia and South Carolina. 

 e^. Geographic range southern Florida Keys (at least in part). 

 p. Color darker; geographic range very close to or extending to Florida 

 coast. 

 gfi. Size larger; total length (adult male) more than 700 mm.; geographic 

 range Upper Matecumbe and other keys near base of main Florida 



chain P. I. inesperatus (p. 46). 



gr2. Size smaller; total length (adult male) less than 700 mm.; geographic 

 range keys of Ten Thousand Islands group and adjacent coast 



P. I. niarinus (p. 44). 



p. Color paler; geographic range outer half of Florida Keys. 



gri. Size larger; hind foot (adult male) more than 110 mm.; palatal bridge 



extending on median line beyond plane of last molars more than 12 



mm. ; geographic range Big Pine Key group, near extreme end of 



Florida chain P. I. ittcaittus (p. 48). 



gf2. Size smaller; hind foot (adult male) less than 110 mm.; palatal bridge 

 extending on median line beyond plane of last molars less than 12 



mm.; geographic range Key Vaca P. I. auspicatus (p. 47). 



e^. Geographic range islands and coasts of Georgia and South Carolina. 

 p. Dentition heavier; crown length of upper carnassial usually more than 

 9 mm.; geographic range Saint Simon Island, neighboring islands, and 



coast of Georgia P. I. Utoreus (p. 40). 



p. Dentition lighter; crown length of upper carnassial usually less than 

 9 mm.; geographic range Hilton Head Island, neighboring islands, and 



coast of South Carolina P. I. soliitus (p. 41). 



d^. Size smaller; hind foot about 90 mm. or less; geographic range Cozumel 

 Island, east coast of Yucatan P. pygniaeus (p. 76). 



