318 



VEKTEBKATA: KEPTILIA OK KEPTILES. 



250), Mud Turtles, Snapping Turtles (Fig. 25*2), etc. ; and 

 the CHELOXIA or Sea Turtles (Fig. 253), which are fur- 

 nished with paddles instead of feet. 



FIG. 250. Fio. 231. 



Box Turtle, Cistudo Virginia, Wood Tortoise, Glyptemys insculpta, Agassiz. 



Agassiz. 



FIG. 252. 



Snapping Turtle, Chelydra serpentina, Schweigger. 

 FIG. 253. 



Hawk-bill Turtle, or Tortoise-shell Turtle, Eretmochelys inibricata, Fitz. 



The true Land Turtles or Testndinidae have the shell 

 high and arched, and the legs and feet so lengthened and 



