93 



EMYS INSCULPTA— Leconte. 



Plate XIII. 



Characters. Shell oval, carinate, emarginate posteriorly; reddish-brown, with 

 radiating yellow lines; sternum full in front, emarginate behind; all the plates 

 deeply marked with radiating and concentric striae. 



SrNONTMEs. Emys scabra, Say, Jour. Acad. Nat. Scien. Phil., vol. iv. p. 210. 

 Testudo insculpta, Leconte, Ann. Lye. Nat. Hist. N. Y., vol. iii. p. 112. 

 Emys scabra, Harlan, Jour. Acad. Nat. Scien. Phil., vol. vi. p. 76. 

 Emys pulchella, Schweigger, Prod. Arch. Konigsb., torn. i. p. 303. 

 Emys speciosa, Gray, Synop. Rept., p. 36. 

 Emys insculpta, Harlan, Med. and Phys. Res., p. 152. 

 Emys pulchella, Dumeril et Bibron, Hist. Nat. des Rept., torn. ii. p. 251. 



Description. The shell is oval, carinate and emarginate posteriorly. There 

 are five vertebral plates; the anterior is pentagonal, broad, with an acute angle and 

 two borders in front, narrow behind, with its posterior margin slightly concave, to 

 fit the adjoining plate; the second and third vertebral plates are hexagonal; the 

 fourth is heptagonal, and very narrow posteriorly; the fifth is again hexagonal, 

 with four of its articulating facets directed backwards. Of the lateral plates, the 

 anterior is triangularly hexagonal, and imited to fom* marginal plates; the second 

 and third are hexagonal, the latter very irregularly so; the fourth is quadrilateral; 

 the fifth is hexagonal, smaller above, larger below. All of these plates, as well as 

 those of the vertebral range, have a well developed prominence in the centre, from 

 whence pass radiatmg striae, which are again crossed by concentric striae, giving a 



