324 DR. aADOW OX EEMAmS OF GIGANTIC LAXD-TOETOISES. 



Fig. 10. Profile section through the anterior portion of carapace no. V., in level of 



the arrow. 

 Fig. 11. Profile section through corresponding part of T. triserrata. 

 Fig. 12. Plastron E. Dorsal view. T. sumeirei. 

 Fig. 13. Plastron E. Ventral view. T. sumeirei. 



PLATE XLIII. 

 Figs. 1-3. Dorsal, anterior, and ventral views of complex of terminal caudal vertebra, 



referred to Testitdo sumeirei. Nat. size. 

 Fig. 4. Pelvis No. II. Ventral view. Probablj' T. sumeirei. 

 Fig. 5. Pelvis No. II. Dorsal and anterior view. 

 Fig. 6 a. Cranium of Testudo, sp. 1 



Fig. 6 b. View of the " posterior margin of the paroccipital crest." 

 Fig. 7. Cranium and posterior view of paroccipital crest of T. inepta. 

 Fig. 8. „ „ „ „ T. triserrata. 



(Figs. 6, 7, 8 are drawn to the same scale, namely about ^^ nat. size. The 

 paroccipital crests are drawn of the natural size.) 



PLATE XLIV. 

 Figs. 1-16. Bidosaurus maiiritianus. Nat. size. 

 Figs. 1, 2. Inner and outer view of left mandible. 

 Fig. 3. Dorsal view of frontal bone. 

 Yig. 4. Ventral view of basis cranii. 

 Fig. 5. Upper figure : dorsal view of atlas. 

 Fig. 5. Lower figure : side view of a thoracic vertebra. 

 Figs. 6 & 7. Dorsal and ventral views of two successive thoracic vertebrae. 

 Fig. 8. Dorsal and ventral views of sacrum. 

 Fig. 9. Dorsal view of first post-sacral vertebra. 

 Fig. 10. Dorsal view of second post-sacral vertebra. 

 Fig. 11. Dorsal view of third'? or fourth 1 post-sacral vertebra. 

 Fig. 12. Left outer view of pelvis. 

 Fig. 13. Posterior view of femur. 



Figs. 14 & 15. Anterior and posterior view of humerus. 

 Fig. 16. Left ulna. 



I'ig. 17. Testudo sumeirei; the type specimen living at Port Louis, Mauritius. 

 Fig. 18. Ventral view of plastron of the same specimen. 

 Fig. 19. Side view of the same specimen. 



(Figs. 17-19 after photographs procured through the kindness of Mr. Th. Sauzier.) 

 Figs. 20, 21, 22. Lateral, anterior, and posterior views of atlas A. Nat. size. 

 Figs. 23, 24, 25. Anterior, lateral, and posterior views of atlas B. Nat. size. 



