8. Ly@osoma, 267 
57. Lygosoma mustelinum. (Prare XIX. fig. 2.) 
Mocoa mustelina, O’Shaughn. Ann. § Mag. N. H. (4) xiii. 1874, 
p. 299, and (5) iv. 1879, p. 300. 
Lygosoma (Mocoa) lacrymans, Peters § Doria, Ann. Mus. Genova, 
xiii. 1878, p. 348. 
sree ) sonderi, Peters, Sitzb. Ges. Nat. Freunde, 1878, 
p. € 
—— (——) orichalceum, Boettg. Ber. Offend. Ver. Naturk. xvii— 
xviii. 1878, p. 2, pl. i. fig. 1 *. 
Habit lacertiform, body elongate. The distance between the end 
of the snout and the fore limb is contained once and two thirds to 
twice in the distance between axilla and groin. Snout short, 
obtuse. Lower eyelid with an undivided transparent disk. Nostril 
pierced in the nasal, which is quite lateral; no supranasal; fronto- 
nasal broader than long, forming a very broad suture with the 
rostral, and a narrower one with the frontal; latter shield as long 
as or a little shorter than frontoparictals and interparietal together, 
in contact with the two anterior supraoculars; four supraoculars, 
second largest ; six or seven supraciliaries ; frontoparietals normally 
distinct (united in one of the specimens), as long as or a little 
longer than the interparietal; parietals forming a suture behind 
the interparietal, bordered by a pair of temporals and a pair of 
nuchals ; fourth upper labial largest and entering the orbit. Ear- 
opening oval, not larger than the transparent palpebral disk. 
22 or 24 smooth scales round the middle of the body ; dorsals largest. 
Preeanals not or but feebly enlarged. The adpressed limbs fail to 
meet. Digits cylindrical; subdigital lamelle smooth, 16 to 19 
under the fourth toe. Tail twice as long as head and body. Pale 
brown or yellowish brown above, golden on the sides and on the 
tail; each dorsal scale with three or more brown lines; sides 
usually with interrupted brown longitudinal lines ; a white, brown- 
edged spot or short streak below the posterior border of the eye; 
lips brown-dotted ; lower surfaces yellowish white, sides of throat 
and belly with fine brown lines or series of dots; two longitudinal 
lines of confluent brown dots under the tail. 
millim. millim 
Total length ...... 135 Fore limb........ 11 
Head. : sis: dscteie 10 Hind limb........ 16 
Width of head .... 6 ERI 2 arturmiins oaecuns 90 
Body wi sievases de 35 
Southern Australia. 
. Ad. New South Wales. G. Krefft, Esq. 
ae as Sydney. Dr. A. Giinther [P.}.( (TPs) 
d. Ad. —?P 
x : 
Types examined, 
