IQQ EMYS GEOGRAPHICA. 



receiving a small point of the first vertebral plate; the first marginal plate is 

 pentagonal, broadest in front; the remaining plates are quadrilateral; the fourth, 

 fifth, sixth and seventh have revolute margins; the eighth, ninth, tenth and eleventh 

 have each a notch in their external margins, and have their posterior and inferior 

 angles lengthened, which gives the posterior margin of the shell a serrated 

 appearance; the two supra-caudal are slightly elevated (en toit). 



The sternum is oblong, entire in front, deeply emarginatc and concave behind. 

 Of its twelve plates, the gular are very regularly triangular, having the apex of 

 the triangle directed backwards; the brachial plates are irregularly quadrilateral, 

 with the external and posterior angle prolonged; the thoracic are quadrilateral, 

 extensive in the transverse, and narrow in the antero-posterior direction; the 

 abdominal plates are hexagonal and broad; the femoral, irregularly quadrilateral, 

 broad and rounded externally, narrow and straight within; the sub-caudal plates 

 are very irregularly quadrilateral, their outer and posterior angles rounded. Of 

 the supplemental plates, the axillary is triangular, with its external and posterior 

 angle truncated; the inguinal is regularly triangular. 



The head is extremely large, narrow before, very broad behind, and placed on 

 a short, thick neck; the snout is rather pointed. The nostrils are in front, and 

 near each other. The eyes are large and prominent, placed near the snout; tlie 

 pupil is dark, and the iris golden. The upper and loAver jaw have their cutting 

 margins entire, and are very strong. 



The anterior extremities are short, with transverse rows of large scales on the 

 anterior part, and a very remarkable row on the posterior surface, above the 

 carpus; a range of large fleshy folds extends along the superior border of the 

 fore-arm to the humerus; the fingers are five in number, each furnished with a 

 short, curved nail. The posterior extremities are long, flattened, and covered with 

 scales, and end in five toes, broadly palmated, and furnished with four nails. The 

 tail is small, minutely carinated, and pointed. 



