PLATE XII. 
Chelonia. 
Hemichelys Warthi, Lydekker ; fig. 1 the carapace, fig. 2 the left half of the plastron, fig. 3 
sculpture of the plastron ; from the lower eocene of Nila, Salt-Range. Indian Museum. 
Figs. 1, 2, i nat. size ; fig. 3 nat. size. N. nuchal bone. Page 62. 
