TORTOISES. 41 



The Broad Hydraspis. Hydraspis ? lata, Bell, MS. Gray, 

 Syn. R. 77. 



Shell suborbicular, depressed, black ; head and neck when 

 fresh, orange-spotted. 



Inhab. Brazils ? Mus. Zool. Soc. 



The Allied Hydraspis. Hydraspis? affinis, Gray, D. C. 

 22, n. 10. 



Shell brown, obscurely black-rayed, margin strongly reflexed 

 over the hinder feet ; two last vertebral shields with an elevated 

 compressed conical ridge ; neck long, black, with a yellow line on 

 each side, beneath yellowish. 



Inhab. Brazils. Mus. Berlin. 



4. Phrynops. Phrynops and Rhinemys, Wagler. 



Head moderate rounded, covered with a thin skin, often divid- 

 ed into small subregular plates, especially on the temples. Jaws 

 naked. Chin 2-bearded. Toes webbed. Claws 5-4, acute. Shell 

 ovate, rather convex, solid, the sides and hinder margin expanded. 

 Nuchal plate distinct ; anterior vertebral moderate. Sternum so- 

 lid, not mobile, the hinder lobe narrowed behind. Tropical Ame- 

 rica. 



Geoffroy's Phrynops. Phrynops Geoffrovana, Wagler, Sys. 

 135, t.5,f. 48 — 54. Icon. t. 26. EmvsGeofficeana, Schweig. Prod. 

 302, 15. Dum. et Bib. E. G. ii. 418. Emys viridis, Spix, Braz. 

 3, t. 2,f. 4, t. 3,/. 1. Gray, Syn. 41. Hydraspis rufipes, adult, 

 Kaup. E. platycephala, var. Schlegel, F. Jap. 47. 



Shell oval, oblong (of the same width at the two ends), rounded 

 before, obtusely angular and nicked behind; vertebral plates form- 

 ing a gutter on each side of the tubercular keel ; body yellowish, 

 spotted and rayed with brown, beneath yellow ; head with small 

 scales ; occipital and superciliary shields elongated. 



Inhab. S. America, Buenos Ayres. Mus. Paris, two specimens, 

 young and old. 



The Red-footed Phrynops. Phrynops rufipes. Emys rufi- 

 pes, Spix, Braz. 7, t. 6,f. 1, 2. Wagler, Syst. 134, t. 3,/. 43, 45. 

 Gray, Syn. 41. Dum. et Bib. E. G. ii. 435. Emys platycephala, 

 var. Schlegel, F. Jap. 46. 



Shell brown, oval, truncated in front, angular behind ; back 

 keeled ; sternum narrower behind ; neck and members reddish, 

 with an oblong red spot above the ear; head smooth, with small 

 scales on the temples. 



Inhab. Brazils. Mus. Munich. 



Bell's Phrynops. Phrynops Bellii. 



Shell (young) very depressed, very obscurely keeled, brown : 

 middle of the hinder edge of vertebral shield rather elevated, mar- 



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