EMYDID^E. LXVII. 163 



1. C. muhlenbergii, (Schweigger) Cope. MUHLENBERG S 

 TORTOISE. Brown with yellowish markings ; plastron 

 black with yellowish central blotch; an orange spot on 

 each side of neck; shell somewhat carinated; L. 4J. 

 E. Penn. and N. J. 



** Upper jaw broad at end, arched downward, with a notch at 

 tip; just behind the tip the homy sheath slants inward so 

 that the width of the jaw is less than that of the forehead; 

 edge of lower jaw straight, excepting the tip which is strongly 

 upcurved. (Glyptemys, Ag.) 



2. C. insculptus, Le C. WOOD TORTOISE. Shell car 

 inated, its plates marked with concentric striae and radi 

 ating lines; plastron with a black blotch on each plate; 

 L. 8. U. S., E. of Ohio, in woods and fields. 



3. NANEMYS, Agassiz. SPECKLED TORTOISES. 



1. N. guttafus, (Schn.) Ag. SPECKLED TORTOISE. 

 Black, dotted more or less with orange, these spots rarely 

 obsolete; plastron yellow, blotched with black; shell not 

 carinated; L. 4f E. U. S., W. to N, Ind. (Levette) , 

 abundant. 



4. EMYS, Brogniart. TORTOISES. 



1. E. meleagris, (Shaw) Ag. BLANDING S TORTOISE. 

 Jet black; usually with yellowish spots; plastron yellow 

 ish with black blotches; head with yellow spots; L. 8. 

 Wisconsin to Alleghanies, in moist woods and fields. 



5. CHRYSEMYS, Gray. PAINTED TURTLES. 



1. C. picia, (Herm.) Ag. PAINTED TURTLE. MUD 

 TURTLE. Greenish black; plates margined with paler; 

 marginal plates marked with bright red; plastron yellow, 

 often blotched with brown; L. 8. E. U. S., one of the 

 most common turtles. 



Var. marginata, Ag. Plates of carapace alternating 

 or in quincunx, the lateral rows out of line with the 



