40 XTNGULATA. 



M. 1744 a. Part of the right maxilla, with the last four cheek- 

 teeth ; from the Upper-Eocene phosphorites of Bach, near 

 Lalbenque (Lot), France. Purchased, 1884. 



M. 1746. Part of the left maxilla of an immature individual, 

 showing the three true molars, m. 3 being in alveolo ; from 

 Bach. Purchased, 1884. 



M. 1743. Fragment of the left maxilla, containing m. 2 and m-JJ ; 

 from Bach. Purchased, 1884. 



M. 1741. Fragment of the left maxilla of a young individual, 

 showing mm. 3 , mm. 4 , and m.l ; from Bach. 



Purchased, 1884. 



28231. The nearly complete mandible, showing two incisors, the 

 canines, and the last four cheek-teeth ; from Debruge. 



Bravard Collection. Purchased, 1852. 



28233. Numerous imperfect specimens of the mandible ; from De- 

 bruge. In all these specimens there are but five cheek- 

 teeth. Bravard Collection. Purchased, 1852. 



28232 C. The symphysis and the right ramus of the mandible, 

 showing six cheek-teeth ; from Debruge. 



Bravard Collection. Purchased, 1852. 



M. 1511. Two portions of the left ramus of the mandible ; from 

 Debruge. Purchased, 1884. 



M. 2466, M. 2467. Two specimens of part of the right ramus of 

 the mandible, each having six cheek-teeth ; from Debruge. 



Purchased, 1885. 



M. 1511 a. Part of the left ramus of the mandible, showing the last 

 four cheek-teeth ; from Debruge. Purchased, 1884. 



M. 1832 a. Part of the left ramus of the mandible, showing the last 

 four cheek-teeth ; from Bach. Purchased, 1884. 



M. 1770. Part of the right ramus of the mandible, with the last 

 four cheek-teeth ; from Bach. Purchased, 1884. 



M. 1771. Part of the left ramus of the mandible, showing the last 

 two premolars and the first two true molars ; from Bach. 



Purchased, 1884. 



M. 1772. Fragment of the right ramus of the mandible, showing 

 the three premolars and the first true molar; from Bach. 



Purchased. 1884, 



