388 TRIID At. 
upper and lower labials with a continuous transverse black band 
through the middle of each ; lower surfaces yellow. 
millim. millim. 
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. §& Bibr. v. P. 428 ; Tschudi, Arch. f. Nat, 1847, 
p. 47. 
Cercosaura, part., Gray, Cat. Liz. p. 60. 
Lepisoma, part., Gray, 1. c. 
Pantodactylus, part., Peters, Abh. Berl. Ac, 1862, p. 182. 
Tongue moderately elongate, arrow-headed. Lateral teeth com- 
pressed, bi- or tricuspid. Head with large regular shields ; fronto- 
nasal separating the nasals ; prefrontals 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 quincuncially 
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, Gray, Cat. p. 60. 
Lepisoma scincoides, part., Gray, J. ¢. 
Cercosaura schreibersii (#vtz.), Wiegm. Herp. Mex. p. 10. 
Pantodactylus dorbignyi, Dum. § Bibr. p. 431; Tschudi, 1. c. p. 49, 
Cercosaura (Pantodactylus) schreibersii, Peters, 1. c. pl. i. fig. 4. 
Pantodactylus bivittatus, Cope, Proc. de. Philad, 1863, p. 103. 
Head small, body moderately elongate. A broad frontonasal ; 
a pair of preefrontals, forming 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; a loreal; a frenoorbital; arow 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 donble 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. 
