356 CLASSIFICATION OF REPTILES. 



Stexosaurus Geoff. * Ga vial. Jaws very long^ cylindrical, 



and exceedingly narrow ; teeth small^ nearly equal. 



S. Gangeticus. Shaw, ZooL iii. pi. 60. 



Order II. CHELOXIDES. Tortoises and Turtles. 



Body oval, thick^ enveloped in two large shields or 

 bucklers^ which are only open where the head^ tail^ and 

 limbs are inserted. 



Family 1. TESTUDIXID^. Land Tortoises. 



Feet club-shaped^ very obtuse ; toes remarkably short, 

 and very closely united to each other as far as the claws ; 

 the anterior feet with five^ the hinder with four, 

 thick and conical claws ; the carapace, or upper shield, 

 solid, hemispherical, and covered with horny plates ; the 

 hinder marginal plate broad and incurved; tail thick and 

 short : herbivorous. 



Testudo. Feet with five toes, the posterior with only 

 four claws ; carapace of a single piece ; the sternum, 

 or under plate, not moveable. 



Testudo Linn. Sternum in aU its parts immoveable, 

 and of eleven or twelve plates. 



T. Greeca Linn., Auct. 

 Chersina Merrem, Gray. Sternum moveable behind. 

 T. marginata. Zool. Moree, pi. 2. fig. 2. 



Hcemopus Dmneril and Bibron. Sternum and carapace 

 of a single piece ; four toes and claws upon each foot. 

 H. areolatus. Encyc. IMeth. pi. 6. fig. 3. 



Pyxis BeK. Each foot with five toes, but the posterior 

 with only four claws ; carapace of a single solid 

 piece ; anterior part of the sternum moveable. 

 P. arachnoides Bell. Lin. Tr. xv. pi. 16. Erpetol. 14. 1. 



Cinixys BeU. Resembhng the last; posterior of the 

 carapace moveable. 



C. Homeana BeU. Linn. Tr. xv. pL 17. fig. 2. 



* Including the genera Teleosaurus an^ the gavial crocodiles of the same 

 author. 



