RECORDS OF W.A. MUSEUM. 
[187 
with the frontal. Parietals rather narrow, forming a suture behind 
the interparietal. Two to four pairs of indefinitely enlarged nuchals. 
Temporal shields three, the two bordering the parietals large. 
Text Fig. 5. — Lygosama {Rhodona) picturaiimi, sp. nov. 
a. Dorsal view of head, enlarged. 
b. Ventral view of head, enlarged. 
Labials f , the fourth upper entering the orbit, the fifth largest. Twa 
elongate loreal shields, one, the posterior, sometimes united with 
the praefrontal. Eighteen to twenty polished scales round the body. 
Praeanals distinctly enlarged. Fore limbs very minute, represented 
by a scarcely visible papilla situated in a depression, or by a styli- 
form rudiment which may be as long as the eye. Hind limbs 
didactyle as long as, or nearly as long, as the distance between the 
eye and the fore limb ; contained almost four, to nearly five times in 
the distance between the axilla and the groin. Toes compressed ;. 
twelve to fourteen lamellae under the longest. Tail as thick as the 
body. 
Colour (Spirits) : — Buff-coloured above. Head shields edged 
with brown. Two to four rows of spots confluent into distinct 
lines on the back and tail. A dark brown lateral band runs from 
the nostril, along the side, to the end of the tail. Uniform yellowish 
beneath. 
Length of largest specimen, from snout to vent, 92 mm. 
This species presents two more or less distinct varieties which 
may be separated as follows : — 
Variety A (typical form). — Rows of spots forming four lines 
down the back. Fore limb a distinct styliform rudi- 
ment at least as long as the eye. Twenty scales 
round the body. 
