388 TEITI)^. 



upper and loTver labials with a continuous transverse black band 

 through the middle of each ; lower surfaces yellow. 



millira. millira. 



Total length (tail injured) 112 Fore limb 10 



From end of snout to vent 39 Hind limb 14 



From end of snout to axilla 15 



Magdalena River, Colombia. 



15. PANTODACTYLUS*. 



Pantodactylus, Dum. 8f Bih: v. p. 428 ; Tschudi, Arch. f. Nat. 1847, 



p. 47. 

 Cercosaura, part., Gray, Cat. Liz. p. 60. 

 Lepisoma, part., Gray, I. c. 

 Pantodactylus, part., Peters, Abh. Berl. Ac. 1862, p. 182. 



Tongue moderately elongate, arrow-headed. Lateral teeth com- 

 pressed, hi- or tricusi)id. Head with large regular shields ; fronto- 

 nasal separating the nasals ; prsefrontals and frontoparietals present ; 

 nostril pierced in the middle of a single nasal. Eyelids developed, 

 lower with a transparent disk, which is undivided. Ear exposed. 

 Limbs well developed, each with five digits. Dorsal and lateral 

 scales subequal, large, lanceolate, imbricate, arranged quincuueially 

 in transverse and oblique rows ; ventral plates large, subquadrangular, 

 smooth, arranged in regular longitudinal and transverse series. A 

 collar fold. Tail cylindrical. Femoral pores. 



South-eastern South America. 



1. Pantodactylus schreibersii. 



Cercosaura schreibersii, Gi^ay, Cat. p. 60. 



Lepisoma scincoides, part., Gray, I. c. 

 Cercosaura schreibersii {Fit~.), Wieym. Herp. Me.v. p. 10. 

 Pantodactylus dorbiguyi, Dum. Sf Bihr. p. 431 ; Tschtuli, I. c. p. 49. 

 Cercosaura (Pautodactylus) schreibersii, Peters, I. c. pi. i. fig. 4. 

 Pantodactylus bivittatus, Cope, Proc. Ac. Philad. 18(3o, p. 103. 



Head small, body moderately elongate. A broad frontonasal ; 

 a pair of prsefrontals, terming a short suture ; a frontal ; a pair of 

 frontoparietals ; a pair of parietals separated by a large interparietal ; 

 a pair of small occipitals, separated by one or two smaller median 

 occipitals; three supraoculars; aloreal; a frenoorbital ; a row of very 

 small infraorbitals ; temples with large shields above, with small 

 ones inferiorly ; six or seven upper and four or five lower labials ; 

 chin-shields, one anterior and four pairs, the two first pairs forming a 

 suture ; anterior gulars large ; a double median row of transversely 

 enlarged gulars ; a pair of broad collar shields. Dorsal scales large, 



* Pantodactylus concolor, Tschudi, Arch. f. Nat. 1847, p. 48. — Northern 

 Brazil. 



