236 
27638. 
27757. 
26718. 
27757. 
34956. 
34949. 
34940. 
34927, 
34948. 
34931. 
RODENTIA. 
Part of the left ramus of the mandible, showing all the 
teeth ; from the Lower Miocene of St. Yvoine. The length 
of the space occupied by the four cheek-teeth in this speci- 
men is 0,012. Croizet Collection. Purchased, 1848. 
The lower cheek-teeth of the right side: from the Lower 
Miocene of Perrier (Puy-de-Dome). 
Croizet Collection. Purchased, 1848. 
Part of the left ramus of the mandible, showing the incisor 
and the first three cheek-teeth; from the Lower Miocene 
of Perrier. Pomel Collection. Purchased, 1851. 
Part of the right ramus of the mandible, showing the incisor 
and the first three cheek-teeth; from the Lower Miocene 
of Perrier. The teeth are of large size; and this is pro- 
bably one of the specimens on which Pomel founded his 
T. dubius. Croizet Collection. Purchased, 1848. 
The nearly complete left ramus of the mandible; from the 
Lower Miocene of Antoin. This specimen agrees exactly 
with the one.figured by P. Gervais in the Zool. et Pal. 
Francaises, 2nd ed. pl. xlvii. figs. 3, 3a. 
Bravard Collection. Purchased, 1852. 
The greater part of the right ramus of the mandible, con- 
taining the four cheek-teeth ; from the Lower Miocene of 
Antoin. Bravard Collection. Purchased, 1852. 
The left ramus of the mandible; from the Lower Miocene 
of Antoin. Bravard Collection. Purchased, 1852. 
Part of the left ramus of the mandible, showing all the den- 
tition, with the roots of the molars exposed; from the 
Lower Miocene of Antoin. 
— Bravard Collection. Purchased, 1852. 
Part of the right ramus of the mandible, with all the den- 
tition; from the Lower Miocene of Antoin. 
Bravard Collection. Purchased, 1852. 
F ragment of the left ramus of the mandible, containing three 
cheek-teeth ; from the Lower Miocene of Antoin. 
Bravard Oollection. Purchased, 1852. 
34931 a. Fragment of the Jeft ramus of the mandible, containing the 
incisor and three cheek-teeth ; from the Lower Miocene of 
Antoin. Bravard Oollection. Purchased, 1852, 
a 

