PLATE 9. 
Chelone obovata, half the nat. size (from Swanage). 
Fig. 
1. Inside or under view of the carapace, with the nuchal and pygal, and all the 
marginal plates, 1—11. 
2. A similar view of the mutilated plastron. 
2. Hyosternal. 
3. Hyposternal. 
4. Xiphisternal. 
