DESCEIPTION OF PLATE VII. 



Mastodon Sivalensis, Mastodon Ohioticus, and Dino- 



THERIUM GIGANTEUM. 



Yertical longitudinal sections of the teeth, of Mastodon 

 Sivalensis, Mastodon Ohioticus, and Dinotherium giganteum. 

 Copied from drawings by Mr. Ford in Plate III. of the Fauna 

 Antiqua Sivalensis ; the two first, one-third, and the last, 

 two-thirds of the natural size. 



Fig. 1. Is a section of the last upper molar of Mastodon Sivalensis, 

 copied from Plate III., fig. 10 a, of the Fauna Antiq. Siv. The 

 specimen is in the British Museum. (See page 83.) 



Fig. 2. Is a section of the last upper molar of Mastodon Ohioticus, 

 copied from Plate III., fig. 9, of the F. A. S. The specimen is 

 in the British Museum. (See page 84.) 



Fig. 3. Is a section of the penultimate lower molar of Dinotherium 

 giganteum, copied from Plate III., fig. 12, of the F. A. S. The 

 specimen is in the British Museum. (See page 85.) 



VOL. I. 



