426 TED. 
the body ; twenty-nine scales from parictals to base of tail. Pra- 
anal scales six. Five or six femoral pores on each side. Tail 
moderately long, tapering to a fine point; upper caudal scales 
strongly keeled. Brown above, with a yellowish longitudinal band 
on each side, beginning from the tip of the snout; another on the 
upper lip; lower surfaces yellowish, grey-spotted. 
millim, millim 
Total length...... 138 Fore limb .......... 13 
Head .......... 12 Hind limb.......... 20 
Width ofhead.... 9 IAA aise asc aowhande areeite’ 80 
From end of snont to 
vent wc... eee ee 52 
North-Eastern Colombia. 
2. Tretioscincus levicauda. 
co ee levicaudus, Cope, Proc. Amer. Philos. Soc. xi, 1870, 
p. 55 
Scales large, those of both body and tail entirely smooth ; several 
behind the occipital plates larger than the others. Limbs short. 
Colour, a dark clear olive above, paler below; a light green band 
from the temporal region along the canthus rostralis to the end of 
the muzzle, and another parallel along the upper lip; no other 
markings. Size about that of 7. bifasciatus. 
W. Nicaragua. 
34. MICRABLEPHARUS. 
Gymnophthalmus, part., Bocourt, Miss. Se. Mex., Rept. p. 466. 
Micrablepharus, Beettger, Zeitschr. f. Naturw. lviii, 1885, p. 217. 
Tongue arrow-headed. Head with large regular shields; fronto- 
nasal separating the nasals ; no prefrontals ; frontoparietals present ; 
Nostril pierced in the middle of a semidivided nasal. No eyelids. 
Ear exposed. Limbs well developed ; inner finger absent. All the 
scales roundish-hexagonal, imbricate, smooth, arranged quincuncially. 
No collar fold. Tail cylindrical. Males with femoral pores. 
Brazil, Paraguay. 
1. Micrablepharus maximiliani. 
Gymnophthalmus quadrilineatus (non Linn.), Wied, Beitr. Nat. 
Bras. i. p. 195, and Abbild. 
maximiliani, Reink. § Liith. Vidensk, Meddel, 1861, p. 211, 
pl.v. fig. 6; Bocourt, 1. c. p. 467, pl. xxil. H. fig, 5. 
Micrablepharus glaucurus, Betty. 1. c, p. 218. 
Habit of Gymnophthalmus quadrilineatus. Frontonasal very large; 
frontal small; frontoparietals small; parietals and interparietals 
short, of equal length, latter pentagonal ; two supraoculars, anterior 
largest and in contact with the frontonasal; two supraciliaries, 
anterior very large ; chin-shields, one anterior and three alternating 
