Plate 6. 
Figs. 1,2. 
Terrapene innoxia. Type. Two-thirds natural size. No. 70S0. P. 61. 
i. 
View of carapace from above. 
2. 
View of carapace from below. 
Figs. 3,4- 
Terrapene innoxia. Parts of plastron referred. Two-thirds natural 
size. P. 64. 
3 - 
Anterior lobe seen from above. No. 5471. 
4 - 
Left xiphiplastral bone seen from above. No. 7085, 
Fig- 5 - 
Trachemysf nuchocarinata. Type. Two-thirds natural size. Part of 
nuchal bone seen from above. No. 4437 - P- 7 1 - 
Figs. 6,7. 
6 . 
Chelydra laticarinata. Natural size. P. 72. 
Sixth left peripheral bone seen from above. Type. No. 7094 - 
7 > 
Left eighth peripheral, No. 5943, seen from above. 
Figs. 8,9. 
8. 
Chelydra sculpta. Natural size. P. 73. 
Right ninth peripheral seen from above. Type. No. 55 10 - 
9 - 
Left seventh peripheral seen from above. No. 7090. 
