Bones discovered in a cave at Kirk dale, in Yorkshire. 23 1 
molar tooth, still remains in its place, having its enamel on 
this side worn away, as in the teeth of No. 1. 
4. Inside or concave surface of No. 3, has suffered no fric- 
tion or polish, and the enamel of the tooth is perfect and 
fresh as in No. 2. 
5. Metatarsal bone of hyaena. 
6. 7. Phalanges of the toe of an animal not ascertained. 
8. Claw bone of the toe of an hyaena. 
9, 10, 11. Metacarpal bone and two phalanges of the toe 
of hyaena. 
12. Claw bone of the toe of an hyaena. 
Plate XX. 
1. Canine tooth or tusk of a bear (Ursus spelaeus). 
2. Inside view of posterior molar tooth of the lower jaw 
on the left side of hyaena. 
3. Outside view to No. 2. 
4. Largest canine tooth or tusk of hyaena found at Kirkdale. 
5. Tusk of an animal of the tiger kind. 
6. Outside view of right posterior molar tooth of the lower 
jaw of a tiger. 
7. Inside view of No. 6. On comparing 6 and 7 with 2 
and 3, it will be observed that in 6 and 7, the angle near the 
middle part of the crown is less obtuse than in 2 and 3, and 
that the two lobes which project at the base of the crown of 2 
and 3 are wanting in 6 and 7. 
8. Tusk of fox. 
9. Incisor tooth of fox. 
1 o. Inside view of No. 9. 
11. Small molar tooth of fox. 
12. Great molar tooth of the right lower jaw of fox; out- 
side view. 
