168 CARNIVORA. 
22030. Fragment of the right ramus of the mandible, containing 
the last premolar and the three true molars, in an almost 
unworn condition; from the Pleistocene of Grays. The 
molars are of great relative width, and the inner cusp of 
pm. 4 is almost wanting. Purchased, 1848. 
21652. Hinder portion of the right ramus of the mandible, con- 
taining the second true molar; from the Pleistocene of 
Grays. This specimen is of very large size. 
Purchased, 1848. 
22030a. Fragment of the right ramus of the mandible, containing 
the two true molars, in a partially worn condition, and 
the alveoli of the two preceding teeth; from the Pleisto- 
cene of Grays. Purchased, 1848. 
21289. Fragment of the left ramus of the mandible, containing the 
last true molar and the alveoli of the three preceding teeth ; 
from the Pleistocene of Grays. Purchased, 1848, 
22029. The greater portion of the left ramus of the mandible, con- 
taining the four last cheek-teeth and the alveolus of the 
canine ; from the Pleistocene of Grays. The last molar is 
remarkably short in this specimen, and there is no inner 
cusp to pm. 4, although the talon has two distinct cusps. 
Purchased, 1848. 
23138. Portion of the right ramus of the mandible, containing the 
last premolar (broken) and the first and second true 
molars; from the Pleistocene of Grays. Purchased, 1848, 
28977. Fragment of the right ramus of the mandible, containing 
the three true molars (the first broken); from the Pleis- 
tocene (?) of Woodbridge, Suffolk. The teeth are of large 
size, and m, 2 is unusually wide behind. Purchased, 1848. 
91651. The left ramus of the mandible, containing the broken 
canine and the alveoli of the cheek-teeth ; from the Pleis- 
tocene of Grays. The specific reference of this specimen 
is merely provisional. Purchased, 1848, 
47677. The greater portion of the right ramus of the mandible, 
(Trig.) containing the alveoli of the incisors, the broken base of 
the canine, the alveolus of pm. 1, the first and second true 
molars in a slightly worn condition, and the alveolus of 
m. 33; from the Genista Cave, Gibraltar. This specimen 

