8, LyGosoma. 333 
New South Wales. 
a, Ad, —-? (Type.) 
6. Ad. Sydney. Museum Godeffroy. 
e-e. Ad. Sydney. Dr. A. Giinther [P.]. 
F-g, h. Ad. N.S. Wales. G. Krefft, Esq. ; 
a Ad. Australia. Lord Derby [P.]. 
k. Ad. Australia. J. Stokes, Esq. [P.]. 
143. Lygosoma microtis. 
Mocoa microtis, Gray, Cat. p. 83. 
Mocoa microtis, Gray, Zool. Ereb. & Terr., Rept. pl. vii. fig. 2. 
Body much elongate, limbs weak. The distance between the end 
of the snout and the fore limb is contained nearly twice in the 
distance between axilla and groin. Snout conical. Lower eyelid 
with an undivided transparent disk. Nostril pierced in a rather 
large nasal, the inner angle of which is in contact with its fellow; 
frontonasal broadly in contact with the rostral; prefrontals small 
and widely separated ; frontal a little broader than the supraocular 
region, as long as frontoparietals and interparietal together, in 
contact with the first and second supraoculars ; four supraoculars, 
second largest; eight supraciliaries; frontoparietals and inter- 
parietal distinct, subequal; parietals forming a suture behind the 
interparietal ; four pairs of nuchals; fifth upper labial entering the 
orbit. Ear-opening minute, as large as 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 end of the snout and the fore limb. Digits slender, 
fourth much longer than third, with 22 lamelle inferiorly. 
Greyish above; two black lateral bands on each side, with a white 
one between. 
millim. : millim. 
Total length ...... 71 Fore limb ........ 8 
Head os. ce hiees eo seess 7 Hind limb ........ 13 
Width of head .... 4 Tail (reproduced) .. 32 
Body .......006. . 32 
South-west Australia. 
a. Ad. Swan River. (Type.) 
144. Lygosoma bougainvillii. 
Lygosoma bougainvillii, Gray, Cat. p. 85. 
Riopa boungainvillii, Gray, Ann. N. H. ii. 1889, p. 332. 
Lygosoma bougainvillii, Dum. § Bibr. v. p. 716; Giinth. Zool. Ereb. 
"§ Terr., Rept. p. 18. 
— laterale (non Say), Giinth. Ann. & Mag. N. H. (8) xx. 1867, p. 46, 
Body much elongate, limbs weak; the distance between the end 
of the snout and the fore limb is contained twice to twice and a half 
