188 CHELONIA. 



distinguish this species from Pleurostemum) is well shown. 

 The hypoplastral is relatively short, with the sulcus 

 dividing the abdominal from the femoral shield ascending 

 towards the middle line, and terminating in the inguinal 

 notch. The plastral vacuity is nearly obliterated. The 



Fig. 43. 



Eylmochelys latiscutata. — The imperfect carapace ; from the Wealden of 

 Sussex. \. nil, nuchal bone ; n l-n 7, neural bones ; c 1-c 8, costal 

 bones. 



area occupied by the intcrgular shield is not shown. 

 The pelvic bones and femora are preserved, although dis- 

 located. The removal of part of the right xiphiplastral 

 shows a prominence on the border of the portion still 

 remaining in position, which appears to have been the 

 attachment of the pelvis. 



Presented by the Bev. J. Gould, 1849. 



