EXPLANATION OF THE PLATES. 
93 
PLATE XXXVI. 
Testudo microphyes, adult ? . Lateral and upper views, |- nat. size. 
PLATE XXXVII. 
Testudo microphyes, adult ? (type). Three views of carapace, \ nat. size. 
PLATE XXXVIII. 
Testudo microphyes, half-grown $ (spec. c). Three views of carapace. 
PLATE XXXIX. 
Testudo ephippium [from the typical specimen in the Museum of Science and Arts, 
Edinburgh], ^ nat. size. 
PLATE XL. 
Testudo ahingdonii, adult S . Lateral and front views, ^ nat. size. 
PLATE XLI. 
Testudo ahingdonii, adult ^ . Upper and lower views, ^ nat. size. 
PLATE XLII. 
Upper views, of the natural size, of the skulls of: — 
Fig. A. Testudo elephantopus S . 
Fig. B. Testudo microphyes ? . 
Fig. C. Testudo ephippium S . 
Fig. D. Testudo nigrita S • 
a. Posterior margin of paroccipital. 
c. Tuberosity for the insertion of a portion of the temporal muscle. 
d. Groove separating the tuberosity from the zygomatic arch. 
PLATE XLIII. 
Lateral views, of the natural size, of the skulls of: — 
Fig. A. Testudo elephantopus S • 
Fig. B. Testudo microphyes $ . 
Fig. C. Testudo ephippium 6 . 
Fig. D. Testudo nigrita ^. 
e. Notch for the passage of the Eustachian tube. 
