A Manual of Elementary Geology / or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments

by Sir Charles Lyell

Fig. 129.

Elephas primigenius (or Mammoth); molar of upper jaw, right side; one third of nat. size.

• a. grinding surface.
• b. side view.

Fig. 130.

Mastodon angustidens (Norwich Crag, Postwick, also found in Red Crag, see [p. 149.]); second true molar, left side, upper jaw; grinding surface, nat. size. (See [p. 149.])