Two new Species of Fossil Tortoises. 149 
on the left only the upper ends of these bones are present. 
The length in the middle line of the portion preserved is 
885 mm., probably rather more than half the length of the 
whole shell, which, therefore, was of considerable size. 
The width measured at the level of the third neural was 
Fig, 2. 
Patanemys bartonensis, Anterior portion of carapace. 
c. 1-4, costal bones; ¢.s. 1-2, costal shields; m. 1-2, marginals ; ». 1-5, 
neural bones; mz., nuchal bone; Nw., nuchal shield; w., 
vertebral shields. } nat. size. 
about 634 mm.; but this is probably an exaggeration, owing 
to the flattening that has been undergone, although perhaps 
the convexity of the carapace was never very great. 
The general arrangement of the bones and scutes is shewn 
in fig. 2, - 
