76 CLASS REPTILIA. 



Zoological Society, is a very beautiful little emys, named, by 

 that gentleman or by Mr. Gray, E. ornata, which is ex- 

 tremely small, though evidently young. The shell is oblong 

 and rugose ; the costal and marginal shields have each a 

 central dot, surrounded by a dark-edged pale ring ; the ver- 

 tebral plates have rings less regular than the others — the first 

 is urceolate, and the second and third long and hexagonal. 

 The marginal plates have also eye-like spots and rings ; the 

 shield is fine green, with the spots and rings yellow ; the head 

 is yellowish, lined with orange streaks : beneath it is yellow, 

 with dark lines. 



We have engraved a figure from Mr. BelFs valuable collec- 

 tion of another emys, which is named in his MSS. JE. decus- 

 sata. It may, however, be allied to the E. serrata of Dau- 

 din. The shell is oblong and bluntly carinated. The first 

 vertebral plate is nearly square, but rounded at the sides, 

 and the rest are subquadrangular. The shell is uniformly 

 pale brown ; the shield irregularly and concentrically groved 

 beneath ; yellow, convex, with a spot on each end of the 

 sterno-costal suture, and a round spot on the suture of the 

 marginal plates. The animal is greenish, with the cheeks and 

 chin palely streaked. Mr. Gray has seen several specimens 

 of this species. 



The Mud Tortoise of Shaw, Emys lutaria, is remarkable 

 for exhibitins: so great difference during its non-age from the 

 adult state. In the former, its shell has three distinct ridges 

 or keels passing from front to rear, and is otherwise irregular 

 in the surface ; whereas in the latter it is smooth, with a single, 

 very blunt keel. The colour is olive, varied with dark 

 edged orange spots. 



Mr. Bell, as we have seen in the text, distinguishes a 

 group of tortoises, principally by length of neck, under 

 the head Hydraspis. The long-necked tortoise {Em. lon- 

 gicoUis) of Shaw, is among these. It is a native of NeAv 



