2. STAFKOTYrUS. 



31 



Fig. 10. 



Shell of Staurofi/pus salcinii. 



1. Staurotypus triporcatus. 



Terrapene triporcata, Wie;fm. Ms, 1828, p. 364. 



Staurotypus triporcatus, Wagl. Syst. Amph. pi. v. fi^s. 44, 45 ( IS-'JO), 



ami Icon. Aniph. pi. xxxiii. (183-3) ; Dimi. 8f JBibr. li. p. 536 (1835) ; 



Grai/, Cat. Sh. Rept. i. p. 47, pi. xx b. (1855) ; Bocourt, Miss. ISv. 



Me.i:, Rept. p. 21 (1870). 

 Kinosteruon triporcatuiu, Gray, Cat. Tort. p. 34 (1844). 



Anterior lobe of plastron broad, witli the longitudinal borders 

 straight or slightly concave ; bridge comparatively broad, its diameter 

 about four times and a half in the length of the plastron. No gular 

 shield ; the suture between the pectorals is the longest ; the suturo 

 between the latter shields and the abdominals strongly sinuous ; 

 the greatest length of the abdominal shields equals their width ; 

 inframarginals longer than broad. 



Length of carapace 34 centim, 



Mexico, (luatemala. 



ft. S , ^tHd. 



Vera C'luz, 



M. Sall(5 [C], 



