REPTILES 243 



Key to the Species of Terrapene 

 ai Carapace keeled. 



bi Carapace irregularly marked with yellow T. Carolina. 



b2 Carapace with yellow radiating lines T. major. 



an Carapace not keeled T. ornata. 



T. Carolina (L.). Common box- turtle. Shell more or less globular, 

 with a blunt keel; color yellow and blackish, but very variable; male 

 usually with red eyes, female usually with yellow; length of carapace 

 130 mm.; width 115 mm.; height 70 mm.: eastern and southern 

 States; terrestrial; common. 



Subspecies of T. Carolina 



T. c. Carolina (L.). Eastern States; southward to Georgia; west- 

 ward to Tennessee and western Illinois; northward to central Michigan 

 and Maine. 



T. c. triunguis (Agassiz). Hind foot with but 3 claws; yellow 

 markings usually obscure: Gulf slope; westward into Texas; north- 

 ward into Missouri. 



Fig. 134. — Malaclemys centrata {from Fowler). 



T. major (Agassiz). Similar to T. Carolina; size large; carapace 

 180 mm. long, and with yellow radiating lines: Gulf States from Florida 

 to Texas. 



T. ornata (Agassiz). Similar to T. Carolina, but without a keel; 

 fore legs usually red: Indiana to the Rocky Mountains; southward 

 to the gulf of Mexico and Arizona; often common. 



4. Malaclemys Gray. Salt marsh turtles. Carapace depressed 

 and with a keel; plastron without a hinge and immovably joined 

 with the carapace; feet large and webbed; head covered with a soft 

 skin: 2 species. 



