20. TESTUDO. 159 



the thij2;hs. Adult dark brown or ])lackisli ; carapace of yoiiiig yt-l- 

 lowisli brown, with dark-brown markinjjs. 



Length of shell 4G centini. 



Burma, Siam, Malay Peninsula, Sumatra. 



Dr. Cantor. 



Dr. Cantor. 



(Type of Manouria fmca!) 



(Type of Geoemijda impressa.) 



G. Testudo argentina. 



Testudo sulcata, part., Dmn. ^- Bihr. ii. p. 74 (1835). 



sulcata {lion flm.), lyOrhli/ini, Voi/. Amcr. Merid., Ropt. p. G 



(1847); Burm. licise La Plaia,\\. \^.''^■2\ (iSlil). 

 ((jopher) chileusis, Grati, Ann. i^- M/tf/. jV. 11. (4) vi. pp. l'.)0 



& 4i^S (1870), and Proc. Zool. 8oc. 1870, p. 700, pi. xl., and App. 



Cat. Sh. Pu'pt. p. -2 (1872). 



argentina, >Silater, Ann. ^- Mnij. N. II. (4) ^ i. p. 471 (1870), 



and Proc. Zool. Sac. 1871, p. 480. 



Shell considerably depressed, its depth not half its length ; ante- 

 rior and po.stcrior margins reverted and serrated ; lateral marginals 

 strongly keeled and forming an angle ; nuchal sliield absent ; supra- 

 caudal shield undivided; shields stronglj' grooved concentrically; 

 vertebrals much broader than long and at least as broad as costals. 

 Plastron largo, gular region somewhat produced and bifid, hind lobe 

 deeply notched posteriorly ; the pectoral shields, which are very 

 narrow in the middle, widen gradually towards the sides ; suture 

 between the gulars about half as long as that between the humerals, 

 and longer than that between the pectorals ; axillarj^ shield very- 

 small, inguinal larger. Head moderate ; two large pra;frontal 

 shields and a large frontal ; snout short, beak hooked, tricuspid ; 

 edge of jaws strongly dentate : alveolar surface of upper jaw with a 

 strong tuberculate median ridge. Pore limb anteriorly with largo, 

 bony, obtusely pointed, imbricate tubercles of unequal size ; hind 

 limb with large bony tubercles on the plantar surface, and larger, 

 conical, spur-like ones on the heel ; a group of enlarged subconical 

 tubercles on each side on the back of the thighs. Uniform brownish 

 or horn-colour, the suture between the shields darker. 



Length of shell 22 ccntim. 



Argentine llepublic, Uruguay, Xorthern Patagonia. 



a, b. Ilgr., stffd. Mendoza. (Types.) 



7. Testudo calcarata. 



Testudo calcarata, Schneid. Samml. venn. Ahhandl. p. .317, pi. — 



(1784). 

 sulcata, Gmel. S. .V. p. 104-5 (1789) ; Shnw, in Miller, dmel. 



P//I/.VC. p. 53, pi. xxvi. (1790); Baud. Sept. ii. p. 313 (l80i>) ; 



Grai/, Sij7i. Rejjt. p. 68 (1831), and Cat. Tort. p. 7 (1844), and Sh. 



