FOSSIL FAUNA. 163 



PLATE LXXII. 

 Fossil Teeth of Mammalia. 



Fig. 1. A right lower molar tooth of an extinct species of Hippopotamus {H. major, of 

 Cuvier), from France. 



Fig. 2. Upper molar of an extinct species of Rhinoceros {^R. leptorhinus, of Cuvier), from 

 the bone-cave near Torquay, Devonshire. 



Fig. 3. The crown of a molar tooth of the " gigantic Tapir " of Baron Cuvier ; the Dino- 

 therium of M. Kaup. ' 



Fig. 4, " the outer, and fig. 5, the inner, surface of the fourth molar of Pakeotherium medium, 

 of M. Cuvier." — Mr. Parkinson. From the eocene tertiary deposits of Paris. 



Fig. 6, the outer, and fig. 7, the inner, aspect of an upper molar of the same animal. 



Figs. 8, & 9. Lower molars of Amplotherirmi commune, of M. Cuvier. ' 



Fig. 10. An ungueal or bone of the claw, of a gigantic animal of the Sloth tribe {3Iegalonyx 

 Jeffersoni) ; the figure is half the linear diameter of the original. ^ 



Fig. 11. Vertical section of a tooth of the same. These remains of a colossal animal of 

 that remarkable group of mammalia — the Edentata — are from Bigbone Cave, in 

 Kentucky. The Megalonyx resembled the Megatherium in its general characters 

 but was one-third smaller. See Supplementary Notes, p. 184. 



' Wonders of Geology, vol. i. p. 174. - Ibid, p, 256. ^ Ibid. p. 169. 



