12 REPTILES. 



** Fifth vertebral plate regularly rounded. 



Eroded Kinyxis. Kinyxis erosa, Gray, Syn. 16. Dum. et 

 Bib. E. Gen. ii. 165. K. castanea, Bell, Linn. Trans, xv. t. 18. 

 Test, erosa, Schn. Arch. Konisb. i. 321. T. denticulata, Shaw, 

 Zool. ii. 1. 13, not Linn. T. angulata, adult, Schlegel, F. Japan. 72. 



Shell oblong, brown (yellow-rayed ?), hinder edge reflexed, 

 toothed, the fifth vertebral shield equally rounded, nuchal shield 

 none. 



a. Adult shell with fore feet only, 9£ inches. W. Africa, Gambia. 



b. Half grown, shell only, 6 inches. W. Africa. 



Kinixys castanea, Bell, Linn.Trans. xv. t. 18. 

 . Half grown, shell only, 5 inches. W. Africa ? 



Bell's Kinixys. Kinixys Belliana, Gray, Syn. 69. Grif- 

 fith, A.K.t. Dum. 8f Bib. E. G. ii. 168. 



Shell oblong, subquadrate, yellow, brown-rayed, rather de- 

 pressed in front, margin nearly entire, (worn ?) ; fourth and fifth 

 vertebral shields equally convex ; nuchal shield elongated. 



a. Yellow, much rubbed. Presented by John Edward Gray, Esq. 



b. Yellow, brown-rayed. Gambia. Presented by J. Whitfield, Esq. 



5. Pyxis, Bell. 



Shell subglobose, solid. Sternum with the front lobe mobile, 

 the suture below the humeral and pectoral shields. Toes ? 



The Pyxis. Pyxis arachnoides, Bell, Linn. Trans, xv. t, 16. 

 Gray, Syn. 16. Dum. £ Bib. E. G. ii. 156, t. 14,/. 1. P. Ma- 

 dagascariensis, Lesson, Bull. Sci. xxv. 120. Testudo geometrica, 

 var. Schlegel, F. Japon. 74. 



Shell hemispherical, yellow and black varied, very variable in 

 colour. 



Inhabits Madagascar. Mus- Bell, two specimens. 



