282 
DE. A. G OTHER OX GIGANTIC LAND-TORTOISES. 
Explanation op the Plates. 
PLATE 33. 
Pig. A. Three views of carapace of Testudo elephantopus ; specimen in the Oxford 
Museum ; jr the natural size. 
Fig. B. Three views of carapace of Testudo nigrita ; specimen in the British Museum ; 
-g- the natural size. 
PLATE 34. 
Testudo ephippium, from the typical specimen in the Museum of Science and Arts, 
Edinburgh ; -g- the natural size. 
PLATE 35. 
Fig. A. Three news of Testudo vicina , from the typical specimen in the British 
Museum. 
Fig. B. Lower view of the carapace of Testudo ephippium. 
Fig. C. Three views of Testudo nigrita juv., from the typical specimen in the Collection 
of the Royal College of Surgeons. 
All these figures are ^ of the natural size. 
PLATE 36. 
Testudo microphyes , from the Museum of the Philosophical Institution of Liverpool ; 
the natural size. 
PLATE 37. 
Upper views of the natural size of the skulls of : — 
Fig. A. Testudo elephantopus. 
Fig. B. Testudo microphyes. 
Fig. C. Testudo ephippium. 
Fig. D. Testudo nigrita. 
a. Posterior margin of paroccipitaL. 
c. Tuberosity for the insertion of a portion of the temporal muscle. 
d. Groove separating the tuberosity Rom the zygomatic arch. 
PLATE 38. 
Lateral views of the natural size of the skulls of : — 
Fig. A. Testudo elephantopus. 
Fig. B. Testudo microphyes. 
Fig. C. Testudo ephippium. 
Fig. D. Testudo nigrita. 
e. Notch for the passage of the Eustachian tube. 
