326 SCINCID.E. 
than the interparietal; parietals forming a suture behind the inter- 
parietal ; four pairs of nuchals; fifth upper labial below the centre 
of the eye. Ear-opening minute, punctiform, scarcely larger than 
the nostril. 20 smooth scales round the middle of the body ; dorsals 
largest. A pair of enlarged preanals. The length of the hind limb 
equals the distance between the centre of the eye and the fore limb ; 
fourth toe longer than third, with 17 or 18 smooth lamelle in- 
feriorly. Tail thick, about once and a half the length of head and 
body. Yellowish brown above, with brown dots, the largest of 
which form two series along the median dorsal scales; dark dots 
smaller and crowded on the sides ; lower surfaces yellowish. 
millim ; millim 
Total length ...... 111 Fore limb ........ 6°5 
Head iti cree 8 Hind limb........ 10 
Width ofhead .... 5 TAN. a dusieen ccseendce ae 66 
Body's ecivawoeus 37 
Cape York. 
a, Ad. Cape York. Hr. Damel [C.]. 
bd. Ad. Cape York. 
134. Lygosoma peronii. 
Tetradactylus decresiensis, Gray, Cat. p. 86. 7 
Seps Heri Fitzing. N. Class. Rept. p. 68; Gray, Griff. A. K. ix. 
Syn. p. 72. 
Potrdactylas decresiensis, Cuv. R. A. Qnd ed. ii. p. 64; Dum. & 
Bibr. v. p. 764; Gray, Zool. Ereb. & Terr, Rept. pl. vi. fig. 4 
(and details of head, fig. 1). 
Hemiergis decresiensis, part., Steind. Novara, Rept. p. 50. 
Body much elongate ; limbs very weak, tetradactyle ; the distance 
between the end of the snout and the fore limb is contained twice 
to twice and two thirds in the distance between axilla and groin. 
Snout short, obtuse. Lower eyelid with an undivided transparent 
disk. Nostril pierced in the nasal; no supranasal; frontonasal 
broader than long, forming a narrow suture with the rostral and 
with the frontal ; latter shield scarcely longer than the interparietal, 
in contact with the first and second supraoculars; four supra- 
oculars, second largest ; seven or eight supraciliaries ; frontoparietals 
distinct, nearly as long as the interparietal; parietals forming a 
suture behind the interparietal; two or three pairs of nuchals; 
fifth upper labial below the centre of the eye, from which it is 
separated by a series of suboculars. Ear covered with scales, 
indicated by a depression. 18 or 20 smooth scales round the middle 
of the body ; dorsals largest. . A pair of enlarged preanals. The 
length of the hind limb equals the distance between the centre of 
the eye and the fore limb; third toe longest. Tail thick, once and 
a half to once and two thirds the length of head and body. Pale 
brown or golden above, with or without minute brown dots; a 
