118 Species of North American Tortoises. 



fore red varied with black, behind black spotted with red or 

 yellow ; hind legs before black spotted with red and yellow, 

 behind red a little varied with black ; tail with a few yellow 

 spots, region of the anus red. Eyes black, irids surrounded 

 by a red circle. Feet palmate, five-toed ; claws 5-4. 



a. Depressed ; very little convex, wider behind, marginal 

 plates above the hind legs very spreading : head with a few 

 yellow spots, neck with many, particularly on the under side. 



Length four inches and a half, height one inch and three- 

 eighths. 



/?. More convex ; spots on the shell large, marginal plates 

 beneath sometimes reddish, those over the hind legs not spread- 

 ing. Sternum black, a little red on the middle and edges; 

 sometimes the jaws, fore part of the throat, and a line running 

 from the lower jaw along the side of the neck, orange. 



Length four inches and one eighth, height one inch and 

 three quarters. 



y. Convex like the last ; shell not emarginate behind, with 

 fewer spots, rarely any on the lateral plates ; plates of the disc 

 with concentric striae ; marginal plates over the hind legs not 

 spreading, the first one not projecting beyond the rest, all of 

 them beneath very dark brown, varied with yellow. Sternum 

 very dark brown, yellow on the middle and on the sutures of 

 the plates. 



Length three inches and three quarters, height one inch and 

 a half. 



8. Convex like the last ; plates meu'ked with concentric striae ; 

 and with generally but one spot on each : head with four yel- 

 low spots on the top, another at the corner of each eye, and a 

 large one on the side of the hind part of the head extending 

 and growing narrower to the neck. 



Length four inches ; height one inch and three quarters. 



