ORDER OPHIDIA. 



C. Shell margin sub-entire ; sternum sides rounded. Living 

 in the New World. 



Rough Terrapin. Emys Scabra., Lacep. t. 8. f. 2, Emys 

 Dorsata., Schoepft. 



Shell ovate oblong, acutely keeled ; head with a fork band 

 over each eye. South America. 



Dotted Terrapin. Emys Punctularia, Schweiger, 

 (not figured.) 



Shell oblong, convex, brown ; shield blackish edged ; head 

 with red lines and spots. South America. 



Marbled Terrapin. Emys Marmorea, Spix, t. 10. 



Shell oval, greenish, varied with black and yellow ; shields 

 yellow edged ; head with yellow lines. Brazils. 



Muhlenberg'' s Terrapin. Emys Muhlenbergii, Schw. 

 Emys Bipunctata, Say. SchoefF, t. 31. 



Shell oval, low, side contracted ; shields grooved, varied 

 with yellow ; head blackish, with two yellow spots. North 

 America. 



Spotted Terrapin. Emys Guttata, Schw. Test. Punctata. 

 Bosc. SchoefF, t. 5. 



Shell low, oval, smooth, black, yellow dotted ; head yellow 

 spotted. North America. 



Painted Terrapin, Emys Picta, Schw. Schoeif, t. 4. 

 Shell oblong, flattish, smooth, olive ; shields pale edged ; 

 head and neck yellow lined. Young. Cinereous Tortoise, 

 Brown, lUust. 48. North America. 



Specious Terrapin. Emys Speciosa, Gray, Syn. Rept. 



Shell oval, flattish, keeled ; shields grooved, black, yellow 

 spotted ; beneath yellow with black areola. North America ? 

 10 



