222 CALIFORNIA MAMMALS. 



Length about 725 mm. (28.50 inches) ; tail vertebrae 250 

 (10); hind foot no (4.33). Weight about four and a half 

 pounds. 



Type locality, San Miguel Island, Santa Barbara group, 

 California. 



Urocyon littoralis santacruzae Merriam. 



SANTA CRUZ ISLAND FOX. 



Similar to littoralis but colors brighter, skull smaller ; nasals 

 narrower; rostrum narrower. 



Length about 710 mm. (27.90 inches) ; tail vertebrae 265 

 (10.35); hind foot 108 (4-25) • 



Type locality, Santa Cruz Island, California. 



Urocyon clementse Me:rriam. 



SAN CLEMENTE ISLAND FOX. 



Similar to littoralis but skull smaller; nasals more tapering 

 posteriorly; rostrum more slender. 



Type locality, San Clemente Island, California. 



' Urocyon catalinae 



SANTA CATALINA ISLAND FOX. 



Similar to littoralis but tail longer ; nasals narrower and not 

 constricted in the middle; rostrum longer. 



Length about 760 mm. (30 inches) ; tail vertebrae I285 

 (11.25), hind foot 112 (4.40); ear from crown 63 (2.50). 



These various forms of Island Foxes are so much smaller 

 than our mainland Foxes that anyone can distinguish between 

 them at sight, but when it comes to discriminating the various 

 island forms from one another it is a different matter, and most 

 people will name them from the island they are foiund on without 

 regard to technical characters. 



Island Foxes are or have been common on nearly all of the 



