Hyæna spelæa; second molar, left side, lower jaw; nat. size. Cave of Kirkdale. (See [p. 154.])
Fig. 141.
Teeth of a new species of Arvicola (field-mouse); from the Norwich Crag. (See [p. 149.])
- a. grinding surface.
- b. side view of same.
- c. nat. size of a and b.