in Onychocephalo. dinga bipedali praeter oviductum dextrum bene evolutum 
rudimentum oviducti sinistri observavimus. — Ürope/facea sunt vivipara, ut in 
Rhinophide melanogastri deteximus. 
Habitatio et vivendi ratio. 
Omnes species, quarum origo certa est, ex India orientali, imprimis ex 
Zeylania allatae sunt. — /AinopAis punctatus quoque, unica species, cujus patria 
hueusque ignota erat, teste Schlegelio ex Zeylania originem ducit. 
Ad instar lumbricorum terrestrium vitam subterraneam degunt et insectis 
vermibusque vescuntur. 
Dispositio generum et specierum systematica. 
Familia Uropeltacea, J. Müller. 
1832.  Uropeltacea, J. Müller, Tiedemann's Zeitschrift für Physiologie. IV. pag.248. 
1845. Uropeltidae, Gray, Catalogue of the specimens of Lizards. pag. 140. 
1851. Jyperolissa (Uperolisses), Duméril, Catal. méth. de la collect. des Rept. p.223. 
Genus 1. WB&hinophis, Hemprich. 
Species Il. Rhinophis oxyrhynchus, Schneider Sp. 
2. Rhinophis punctatus, J. Müller. 
3. Rhinophis homolepis, llemprich. 
4, Rhinophis Philippinus, Cuvier 5p. 
5. Rhinophis planiceps, Peters. 
6. Rhinophis Blythii, Kelaart. ' 
1. Rhinophis melanogaster, Gray 5p. 
Genus 2. Wropeltis. Cuvier. 
Species 1l. Uropeltis Philippinus, Cuvier. 
Genus 3. f$Wlybura, Gray. 
Species 1. Silybura Ceylaniea, Cuvier Sp. 
2. Silybura Ellioti, Gray. 
(xenus 4. P'lectrurus, Duméril et Bibron. 
Species 1l. Pleetrurus Perroteti, Duméril et Bibron. 
