27638. Part of the left ramus of the mandible, showing all the 

 teeth ; from the Lower Miocene of St. Tvoine. The length 

 of the space occupied by the four cheek-teeth in this speci- 

 men is 0,012. Croizet Collection. Purchased, 1848. 



27757. The lower cheek-teeth of the right side : from the Lower 

 Miocene of Perrier (Puy-de-D6me). 



Croizet Collection. Purchased, 1848. 



26718. 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. 



27757. 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. 



34956. 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. 

 Prangaises, 2nd ed. pi. xlvii. figs. 3, 3 a. 



Bravard Collection. Purchased, 1852. 



34949. 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. 



34940. The left ramus of the mandible ; from the Lower Miocene 

 of Antoin. Bravard Collection. Purchased, 1852. 



34927. 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. 



34948. Part of the right ramus of the mandible, with all the den- 

 tition ; from the Lower Miocene of Antoin. 



Bravard Collection. Purchased, 1852. 



34931. Fragment of the left ramus of the mandible, containing three 

 cheek-teeth ; from the Lower Miocene of Antoin. 



Bravard Collection. Purchased, 1852. 



34931 a. Fragment of the left ramus of the mandible, containing the 

 incisor and three cheek-teeth from the Lower Miocene of 

 Antoin. Bravard Collection. Purchased, 1852. 



