MABUYA 155 



6\ Pterygoid bones separated on the median line of the palate, the palatal 

 notch extending anteriorly to an imaginary line connecting the 

 center of the eyes; supranasals present; lateral teeth conical. 



Mabuya Fitzinger (p. 155). 

 6^ Pterygoid bones in contact (at least quite anteriorly) to between the 

 center of the eyes. 

 c\ Supranasals usually present; wanting in Dasia smaragdinum. 

 d}. Limbs well developed, pentadactyl. 

 e\ Lower eyelid scaly. 



f. A pair of enlarged preanals Otosaurus Gray (p. 163). 



f. No enlarged preanals Dasia Gray (p. 200). 



e'. Lower eyelid with transparent disk Emoia Gray (p. 223). 



d^ Limbs short or rudimentary; lower eyelid scaly or with disk; 



preanals sometimes present Riopa Gray (p. 230). 



c^ Supranasals absent. 

 cf\ Lower eyelid scaly. 



e\ Limbs well developed, pentadactyl. 



f. Tympanum more or less deeply sunk. 



Sphenomorphus Fitzinger (p. 166). 

 /^ Tympanum superficial. 



Tropidophorus Dumeril and Bibron (p. 234). 

 e^ Limbs short, rudimentary or absent; prefrontals small and 



widely separated Lygosoma Gray (p. 233). 



d^ Lower eyelid with a transparent disk. 



e^. Frontoparietal divided (Philippine species). 



Leioloplsma Dumeril and Bibron (p. 208). 

 c^ Frontoparietal single (some species have scaly eyelids). 



Siaphos Gray (p. 216). 



a^ Palatine bones separated on the median line; supranasal shields 



present; nostril pierced in a very small nasal or between 2 or 3 



scales; a postnasal present or absent; limbs short, rudimentary or 



wanting Brachymeles Dumeril and Bibron (p. 243). 



Genus MABUYA Fitzinger 



Mabuya Fitzinger, Neue Class. Rept. (1826) 23. 

 Spondylurus Fitzinger, Neue Class. Rept. (1826) 23. 

 Ewprepis Wagler, Nat. Syst. Amph. (1830) 161, part. 

 Euprepes Wiegmann, Herp. Mex. (1834) 36. 

 Mabouya Gray, Cat. Liz. (1845) 93. 



Mabuia Cope, Proc. Acad. Nat. Sci. Philadelphia (1862) 185; Boulen- 

 GER, Cat. Liz. Brit. Mus. 3 (1887) 150. 



Palatine bones in contact medially; palatal notch separating 

 entirely the pterygoids, extending forward to between centers 

 of eyes ; pterygoid teeth minute or absent ; maxillary teeth coni- 

 cal or bicuspid ; eyelids movable ; ear distinct ; tympanum more or 

 less deeply sunk; nostril pierced in a single nasal; supranasals, 

 prefrontals, and frontoparietals present; single or double inter- 

 parietal usually distinct, sometimes coalesced with the parietals ; 

 limbs well developed, pentadactyl; digits subcylindrical or com- 



