288 SOJTAMATA. 



Family SCINCID^. 



Postorbital bar and temporal arcade complete; supratemporal 

 fossa roofed over by bone ; premaxillse imperfectly united or sepa- 

 rated. Dentition pleurodont ; teeth conical and bicuspid, or with 

 sphgeroidal or compressed crowns ; in some cases present on the 

 pterygoids. Mandibular symphysis wide. Dermal scutes present. 



Genus DRAQ2ENOSAURT7S, Gervais 1 . 

 Syn. Dracosaurus, Bravard 2 . 



The dentary bone of the mandible with seven or eight small 

 obtuse teeth increasing in size posteriorly and followed by one much 

 larger molariform tooth. Probably allied to Scincus or Chalcides. 



Dracsenosaurus croizeti. Gervais 3 . 



Syn. Scincus croizeti, Gervais 4 . 



The type and only known species. About the size of the existing 

 Eumeces algeriensis. 

 Bab. Europe (France). 



27594. The nearly entire left ramus of the mandible ; from the 

 (Fig.) Lower Miocene (Upper Oligocene) of Limagne (Puy-de- 

 Dome), France. The type specimen. Figured by Gervais 

 in the ' Zool. et Pal. Franchises,' pi. lxiv. fig. 5. 



Croizet Collection. Purchased, 1848. 



27752. Four imperfect mandibular rami ; from the Lower Miocene 

 of Cournon (Puy-de-D6me). Same history. 



Genekically Undetermined Specimens. 

 The following specimens may belong either to the Lacertidce or 

 Scincidoe. 



R. 379. The right dentary and splenial of a small form ; from the 

 Phosphorites of Caylux. Purchased, 1884. 



30966-7. Two dentaries agreeing in size with the preceding ; from 

 the Lower Miocene (Upper Oligocene) of Allier, France. 

 Bravard Collection. Purchased, 1852. 



Family non det. 

 The following forms indicate small Lizards with pleurodont denti- 

 tion and procoelous vertebra), which probably indicate one or more 

 distinct families of the present Suborder : — 



1 Zool. et Pal. Fran9aises, 1st ed. p. 259 (1848-52). 



2 Quoted by Gervais, loc. cit— Preoccupied. 



/ 3 Diet, Univ. d'Hist. Nat. vol. xi. p. 56 (1849).— Scincus. 4 Loc. cit 



