38 UNGTTLATA. 



occupied by the series of cheek-teeth is 0,096, and that of 

 the diastema 0,028. The specimens are considerably 

 smaller than the mandible of P. javali figured by Filhol 

 in the Ann. Sci. Geol. vol. viii. art. 1, pi. xvii. figs. 308- 

 310. Purchased, 1«84. 



M. 1749. Two associated mandibular rami, agreeing very closely 

 with the preceding ; from the Upper-Eocene phosphorites 

 of Bach, near Lalbenque (Lot), France. 



Purchased, 1884. 



M. 1748. Fragment of a right maxilla, containing m. 1 and m. 2 , 

 which agree in relative size with the preceding specimens ; 

 from Bach. Purchased, 1884. 



Palseotherium minus, Cuvier \ 

 Syn. Paloplotherium minus, P. Gervais 2 . 

 Plagiolophus minor, Pomel 3 . 

 Palceotherium ovinum, Aymard 4 . 

 Plagiolophus ovinus, Pomel 5 . 



In this species the teeth are rather smaller than in P. annectans ; 

 but the hinder lobe of P m » 4 is more developed (woodcut, fig. 7). 



Ffe. 7. 



Palceotherium minus. — The left maxilla and cheek-dentition ; from the Upper 

 Eocene of Debruge (Vaucluse), France. }. Letters as in fig. 1, p. 4. 

 (From Gaudry's ' Enchancements.') 



The first upper premolar is present in some instances ; p~m7T appears 

 to be always absent, and p m . 2 is frequently wanting ; the upper 



1 Ann. du Museum, vol. iii. p. 471 (1804). 



2 Zool. et Pal. Francaises, 1st ed. vol. i. p. 63 (1848-52). 



3 Bull. Soc. Geol. France, ser. 2, vol. iv. p. 586 (1847). 



4 Ann. Soc. Agric. Sci. le Puy, vol. xii. p. 246 (1846), teste Filhol. 



5 Catalogue Methodique, p. 82 (1853). 



