EXPLANATION OF THE PLATES. 261 
having its enamel on one side only worn away, as in the teeth of No. 1. 
See also Plate XIII. fig. 3, 4. and Plate XXIII. fig. 9, 10. 
4. Inside or concave surface of No. 3; this side has suffered no 
friction 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 hymn a. 
9, 10, 11. Metacarpal bone and two phalanges of the toe of hyaena. 
12. Claw bone of the toe of an hyaena. 
Plate VI. 
1. Canine tooth or tusk of a bear, (apparently Ursus spelaeus). 
2. Inside view of posterior molar tooth of the lower jaw on the 
left side of hyaena. 
3. Outside view of No. 2. 
4. Largest canine tooth or tusk of hyaena found at Kirkdale. 
5. Tusk of an animal of the tiger kind; four teeth only of this 
sort have been found at Kirkdale. 
6. Outside view of right posterior molar tooth of the lower jaw 
of a tiger; four of these teeth also are all that have yet been noticed 
at Kirkdale. 
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. 
]0. Inside view of No. 9- 
