Chelonia, or Turtles.
Distinguished by the double shield in which their bodies are enclosed, whether they are terrestrial, fresh-water, or marine.
| The Turtles, Chelonia, have the limbs natatory. | ||
| Mud Turtles, Trionyx, | } limbs amphibious. | |
| Terrapens, Emys, | ||
| Tortoises, Testudo, limbs terrestrial. | ||