38 REPTILES. 



shield on each side. Chin 2-bearded. Jaws exposed. Neck 

 broad. Feet quite retractile. Toes 5-5, expanded, webbed to the 

 tips, with a large rounded lobe between each claw. Claws 5-5, 

 sharp. Shell depressed, sides narrow, revolute. Nuchal none. 

 Sternum solid, rather narrow, truncated in front, narrower and 

 nicked behind. Intergular shield small, marginal. Africa. 



* Pectoral shields small, triangular, short ; humeral large ; occiput 

 with small shields. Pentonyx, Ruppell. 



The Gehafiae. Pelomedusa Gehafiae. Pentonyx Gehafiae, 

 Ruppell, Mus. Frank. 1831. 



Olive : shields radiately and concentrically grooved : beneath 

 pale yellowish white. 



a. Stuffed, adult. Abyssinia. From Dr. Ruppell's collection. 



** Pectoral and humeral shields equal, oblong , four-sided, transverse, 

 occiput largely shielded. Pelomedusa, Wagler. 



The Reddish Pelomedusa. Pelomedusa subrufa. Testudo s. 

 Lacep. Q. O. i. 173, t. 12. Encyc. Meth. t. 6,/. 3. Latr. R.l 120. 

 Daud. R. ii. 132. Schweig. Prod. 308, 26. Gray, Syn. 40. T. 

 scabra, Retz. Testudo badia, Donnd. Zool. Beytr. iii. 34. Bechst. 

 T. galeata, Schoepf. Test. 12, t. 3,/. 1, (young). Latr. R. i. 152. 

 Shaiv, Zool. iii. 57, t. 12, /. 3. Daud. R. ii. 136. Schweig. 307, n. 

 25. Schlegel, F. Jap. 44. Wagler, Syst. 132, t. 2,/. 36, 44. Emys 

 olivacea, Schiveig. Prod. 307, 24, (young). Pentonyx capensis, 

 Dum. et Bib. E. G. ii. 390, t. 19,/. 21. T. senegalensis, Daud. 



Shell brown olive, oval oblong, (back impressed on each side 

 of the vertebral line when full grown) ; first vertebral plates short, 

 very broad in front. 



a. Adult, stuffed, plates worn smooth. Cape of Good Hope. Pre- 



sented by J. E. Gray, Esq. 



b. Young, animal dry, (only two legs). Cape of Good Hope. 



c — e. Very young. Cape of Good Hope. Presented by J. S. 

 Bowerbank, Esq. 



Adanson's Pelomedusa. Pelomedusa ? Adansonii. Emys 

 Adamsonii, Schweig. Prod. 308, 27. Gray, Syn. 40. Dum. et Bib. 

 E. Gen. ii. 394. 



Shell oval, fulvous, brown-spotted, back strongly keeled ; front 

 vertebral plates much longer than broad. 



Inhab. Cape de Verde. Mus. Paris. 



3. Hydraspis, Bell. 



Platemys, Rhinemys, Wagler. Platemys part, Dum. et Bib. 



Chelodina part, Fitz. 



Head moderate, flattened, covered with a thin skin, often di- 



