288 SCINCID. 
84. Lygosoma tetradactylum. (Piate XXII. fig. 3.) 
Mocoa tetradactyla, O’Shaughn. Ann. § Mag. N. H. (5) iv. 1879, 
p. 3800. 
Habit lacertiform ; the distance between the end of the snout and 
the fore limb is contained once and one third in the distance between 
axilla and groin. Snout short, obtuse. Lower eyelid with an un- 
divided transparent disk. Nostril pierced in the nasal; no supra- 
nasal; frontonasal broader than long, broadly in contact with the 
rostral; prefrontals, inner angles touching ; frontal much shorter 
and narrower than the frontoparietal, in contact with the first and 
second supraoculars ; four supraoculars ; seven supraciliaries ; fronto- 
parietal single, followed by a minute interparietal ; parietals forming 
a median suture; a pair of nuchals and a pair of temporals border 
the parietals ; four labials anterior to the subocular. Ear-opening 
oval, smaller than the transparent palpebral disk, with a short ob- 
tuse lobule anteriorly. 34 scales round the middle of the body, all 
perfectly smooth ; dorsals largest, laterals smallest. Preeanal scales 
not enlarged. The hind limb reaches the wrist. Fingers four, toes 
five ; subdigital lamella smooth, 20 under the fourth toe. Tail a 
little longer than head and body. Olive-brown above; head with 
a few black specks; five fine, interrupted black lines along the 
middle of the back, the median extending all along the tail ; a dorso- 
lateral series of black dots, separated from the median dorsal lines 
by a band of the pale ground-colour; sides immaculate, with two 
yellow longitudinal bands, the lower of which extends from axilla 
to groin ; lower surfaces greenish. 
millim. millim 
Total length ...... 117 Fore limb ........ 16 
Head............ 14 Hind limb........ 22 
Width of head .... 10 BEAM. et gh aursaiioha sea esine 62 
BOY aio seedie eat videw se 41 
Queensland ? 
a, Ad. —-? G. Krefft, Esq. (Type.) 
85. Lygosoma mundum. 
Mocoa melanopogon, Gray, Cat. p. 81. 
Carlia melanopogon, Gray, 1. c. p. 271. 
Carlia melanopogon, Gray, Zool. Ereb. § Terr., Rept. pl. vii. fig. 1. 
Heteropus mundus, De Vis, Proc. Roy. Soc. Queensl, i. 1885, p. 172. 
Habit lacertiform ; the distance between the end of the snout 
and the fore limb is contained once and one fourth to once and a 
half in the distance between axillaand groin. Snout short, obtuse. 
Lower eyelid with a very large transparent disk. Nostril pierced 
in the nasal ; nosupranasal ; frontonasal broader than long, forming 
a broad suture with the rostral, in contact with the anterior angle 
of the frontal; latter shield as long as or shorter than the fronto- 
