CATALOGUE OF SHIELD REPTILES. 



37 



and E. Kachuga as varieties of this species, an opinion for 

 which he has no ground, as he says he has not seen any 

 of them. 



6. Batagnr tentoria. The Dura. 



Shell ovate oblong, olive, with a blackish keel ; back 

 rather angularly compressed ; shields slightly rugose ; the 

 first vertebral one four-sided, as broad as long, the rest 

 elongated, six-sided, keeled, the keel (of the third especially) 

 produced behind into a tubercle ; margin dentated behind ; 

 the marginal and sternal plates yellow-keeled ; sternum 

 slightly elevated, and keeled on the sides, blackish, with 

 yellow margins and edges to the plates. Head and neck 

 brown, darker dotted and clouded. 



Emys tentoria, Gray, Proc. Zool. Soc. 1834 ; Cat. Tort. 



B.M. 15. 

 E. tectum, adult. Gray, Ilhist. Ind. Zool. t. 72. f. 3, 4, 5. 

 Testudo Dura, B. Hamilton, Icon. ined. t. , MSS. 



Hab. India ; Deccan ; Mysore 1 



a. Adult (stuflFed) ; 6 inches. The third vertebral shield 



almost as broad as long ; sternum low. Deccan. Pre- 

 sented by Colonel Sykes. 



b. Half-grown (stuffed). Olive ; hinder part of the foot, 



and the strong keel of the second and third vertebral 

 shields, and a small spot on the middle of the hinder 

 edge of the costal shields, blackish ; the second and 

 third vertebral shields Ijroader than long, areola pos- 

 terior ; sternum high. 



c. Half-grown (stuffed). India. From Capt. Boys' Col- 



lection. 



This species differs from B. tecta in the keel of the 

 discal plates being blackish, not red, with black edges, and 

 in the sternum not being spotted. 



9. MALACLEMYS. 

 Head very large, depressed ; crown flat ; temples and 

 nape covered with a soft spongy skin. Beak exposed ; 

 lower beak large, convex beneath. Chin not bearded. 

 Legs short. Fore legs with very thin reticulated scales. 

 Toes rather short, strong, covered with a few very thin 

 shields, united by a broad, nearly naked web to the claws. 

 Claws 5 • 4, subequal, curved, sharp. Tail conical. Shell 

 depressed, oblong. Sternum solid, truncated before, nicked 

 behind, affixed by a bony symphysis ; axillary and inguinal 

 plates distmct ; discal and marginal plates with a subceutral 

 areola surrounded by concentric rings or series of spots. 



Living in salt-water marshes : moves quickly on land : 

 torpid in winter. Egg oval : flesh well-flavoured. America. 



Malaclemvs, Gray, Cat. Tort. B.M. 28. 

 Emys § *■*, Gray, Ann. Phil. x. 1825, 211. 

 Terrapene, sp., Bonajj. Ohs. Cuv. R.J. 157 (1830). 

 Emys, sp., Dim. f Bib.Erp. G^/i.ii.261 ; Cat. Meth. R. 10. 



1. Malaclemys concentrica. Salt-water Terrapen. 



Shell oval, rather convex, slightly tubercularly keeled ; 

 shields (and the bone under them) pale yellow, marked 

 with brown concentric rings, which are often impressed. 

 Animal grey, black-spotted and lined. 



Malaclemys concentrica. Gray, Cat. Tort. B.M. 28. 

 Testudo concentrica, Shaw, Gen. Zool. iii. 43. t. 9. f. 1. 



Gray, Syn. 27. 



Bell, Test. t. 



Bum. ($• Bib. Erp. Gen. ii. 261 ; Cat. Meth. R. 10. 



Holbrook, N. A. Herpet. i. 87. t. 12. 



DeKay, Rept. N. Yo.-h; 10. t. 3. f. 4. 

 Terrapin, Broion, Jam. 406. 

 Le Terrapene, Lacep. Q. O. i. 129. 

 Testudo Terrapin, Schoepff. Test. 64. t. 15. 



Rolbrook, X. A. Herpet. ii. 13. t. 2. 

 Testudo palustris, Gmel. Syst. Kat. i. 1041 ? 



Lecoiife, Ann. Lye. N. Y. iii. 113. 

 Testudo centrata, Lafr. Rept. i. 145. 



Dainl. Rept. ii. 153. 

 Emys centrata, Schweig. Prod. i. 304. 



Say, Joiirn. Acad. Nat. Sci. Philad. iv. 205. 



Harlan, Rept. N. Amer. 77 . 



Merrein, Tent. 



Gray, Ann. Phil. x. 211. 

 Emys livida, Bell, MSS. 



Salt-water Terrai>in, Leconte, Southern States N. Amer. 

 Terrajicue palustris, Bonap. Obs. Cuv. R. A. 157. 



Hab. North America, in salt-water marshes, from New 

 York to Florida ; and West Inches. 



Var. 1. concentrica. Head black-lined ; limbs black- 

 spotted ; shield smooth ; dorsal and sternal shields 

 with well-defined dark rings. 



a. Animal (stuffed) and shell ; smooth, highly coloured. 

 Head with large black lines on the cheeks. North 

 America. Presented by Gen. Th. Hardwicke. 



Var. 2. Head black-speckled ; shield more or less deeply 

 concentrically grooved, with dark rings. Sternum 

 and lower side of marginal plates with dark rings. 



j. Half-grown animal (dry). North America. 

 g. Adult (shell only). North America. 



Far. 3. centrata. Head black-speckled; shield more or 

 less deeply concentrically dark-grooved. Sternum and 

 lower part of marginal plates black-dotted and clouded. 



Testudo centrata, Latr. 



