EMYS. 21 



one of which, given me by Mr. Bell, I kept alive for some 

 time. The margin of the shell is much expanded, and 

 recurved on the sides, and sharply but simply toothed be- 

 hind. The sternum is pale blackish speckled, and the 

 shields finely blackish rayed, rounded and crenated in front. 

 The keel and the large size of the areola of the specimens 

 would doubtless disappear as the animal grew older. 



3. Emys Spengleri, {Spengler's Terrapin.) — Testa oblonga 

 depressapallide fusca, tricarinata carinis continuis distantibus, 

 margine postico profunde serrato, scutellis vertebralibus qua- 

 dratis. 



Tei>iudo Spengleri, Walb. Berl. Naturf v. t. 3. Emys 

 Spengleri Schw. 32. Testudo serrata Shaw, Zool. t. 9. 

 (v. Mus. Col. Surg.) Test, serpentina, var. Latr. Test, tri- 

 carinata, Bory St. Vincent Atlas, t. 37, f. 1. (bona.) 



Habit, in Africa, M. Bory St. Vincent. 



The shell pale brown, the hinder dentations are simple and 

 acute, and the sides of the sternum are keeled, the tail is long 

 and exserted. 



4. Emys crassicollis, {Thick-necked Terrapin.) Testa ovata 

 oblonga, leviter convexa, nigra, obscure tricarinata carinis 

 approximatis. marginibus lateralibus revolutis, postico dilatato 

 profunde serrato. 



Emys crassicollis, Bell, MSS. (v. t. Mus. Bell) ; lUust. 

 Ind. Zool. t. . 



Junior, Testa nigra, tricarinata, (v. t. Mus. Bell.) 



Habit, in Sumatra, (Mus. Brit, et Bell.) 



Shell with the side margins narrow and revolute, the ser- 

 ratures of the hinder margins entire, the dorsal keels near 

 together, the first vertebral plate long narrow hexagonal, the 

 sternum blackish, keeled on the sides, truncated before, and 

 with a small roundish sinuosity behind; tail short, head and 

 neck very thick, blackish. 



6. Emys Hamiltonii, (Dr. Hamilton's Terrapin.) Testa 

 oblonga, tricarinata, nigra luteo radiata, postice subdentata, 

 sterno lateraliter carinato ; capite corporeque nigro-luteo 

 maculatis. 



Emys guttata. Gray, lilust. Ind. Zool. i. t. ., non Schw, 



Habitat in India, Dr. Hamilton, Mus. Ind. 



From Dr. Hamilton's drawing, which is evidently from a 

 young specimen, it is black, and the shields broadly yellow- 



