236 unoPiATiD^. 



Fam. 3. UROPLATID^. 



Geckonidse, part., omn. auct. 



XJroplatidae, Boulenger, Ann. ^ Mag. N. H. (6) xiv. 1884 



Tongue moderately elongate, simply papillose, slightly nicked 

 anteriorly. Dentition strictly pleurodont ; teeth numerous, small, 

 obtusely conical, with long cylindrical shafts. No pterygoid teeth. 

 SkuU thin, much depressed ; a rather strong ligamentous postorbital 

 arch ; no frontosquamosal arch ; premaxiUary single ; nasal single ; 

 frontal single; parietals two. Vertebrse amphicoelian ; abdominal 

 ribs. Limbs well developed. Clavicles slender, not dilated prox- 

 imaUy ; interelavicle minute. Skin of head free from the skull ; 

 teguments soft, granular and tubercular. 



This family contains a single genus, the aberrant Uroplates of 

 Madagascar, which combines with a Geckoid structure a peculiar 

 sternal apparatus and the union of the nasal bones. 



1. UKOPLATES*. 



Uroplates, Gray, Ann. Phil. (2) x. 1825, p. 198, and Cat. Liz. -p. 161. 



TJroplatus, Fitzing. N. Classif. Rept. p. 13. 



Sarruba, Fitzmg. I. c. 



Thecadactylus, part., Grag, Phil. Mag. (2) iii. 1827, p. 54. 



Rhaooessa, Wagl. Syst. Amph. p. 142 ; Fitzing. Syst. Rept. p. 97. 



CMroperus, Wiegm. Herp. Mex. p. 20 ; Fitzing. I. c. p. 96. 



Ptyodactylus, part., Bum. 8f Bihr. iii. p. 375. 



Oiaciirus {ncm Leuck.), Fitzing. I. c. p. 97. 



Lonchurus, Fitzing. I. c. 



Oaudiverbera, Oray, Cat. p. 152. 



Digits depressed, more or less webbed, with very small equal scales 

 inferiorly, the extremity strongly dilated, with two diverging series 

 of lamellse inferiorly ; all the digits clawed, the claw retractile in 

 the anterior notch of the distal expansion. Body covered with small 

 juxtaposed scales. Pupil vertical. No eyelids. Ear-opening 

 distinct. No prseanal nor femoral pores. 



Madagascar. 



* The Gecko described by PeuilUe in 1714 (Journ. dea Observ. phys.-math. 

 &c. i. p. 319) is probably mythical. Its synonymy runs as follows : — 



Laoerta oaudiverbera, lAnn. 8. N. i. p. 359. 



Oaudiverbera peruviana, Lawr. Syst. Amph. p. 43 ; Gray, Cat. p. 152. 



Gecko cristatus, Baud. Rept. iv. p. 167. 



caudiverbei'a, Merr. Syst. Amph. p. 40. 



Ptyodactylus feuillsei, Bum. S; Bihr. iii. p. 386 

 Oiacurus feuiUaei, Fit::. Syst. Bept. p. 97. 



Hab. Chili. 



