TAB. V 



Chelone longiceps. 



Fig. 



1 . Upper view of the carapace, two thirds of the natural size. 



ch. Nuchal plates. 

 si — sio. Neural plates. 

 pl\ — -pis. Costal plates. 

 vi — v4. Vertebral scutes. 



2. Under view of the plastron of another specimen,, two thirds nat. size. 



s. Entosternal. 

 es. Episternals. 

 /is. Hyosternals. 

 ps. H) r ]Dosternals. 

 xs. Xiphistemals. 

 63. The ischium. 



