8. LYGOSOMA. 267 



57. Lygosoma mustelinum. (Plate XIX. fig. 2.) 



Mocoa musteliaa, O'S/taift/Im. Ann. i^j- yia(j. N. 11. (4) xiii. 1874, 



p. 299, and (5) iv. 1879,' p. ;iOO. 

 Lyg:osoma (Mocoa) lacrynians, Peters 6f Doria, Ann. Mus. Oenova, 



xiii. 1878, p. 348. 

 ( ) sonderi, Peters, Sitzh. Ges. Nat. Freunde, 1878, 



p. 191*. 



( ) orichalceum, Bnettij. Per. Offenh. Ver. Naturk. xvii.- 



xviii. 1878, p. 2, \A. i. tig. 1 *. 



Habit lacertiform, body elongate. The distance between the end 

 of the snout and the fore limb is contained onco 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 frontoparietals 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. 

 Praeanals not or but feebly enlarged. The adpressed limbs fail to 

 meet. Digits cylindrical ; subdigital laraella3 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 browii lines ; sides 

 usiially 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. raillim. 



Total length 135 Fore limb 11 



Head 10 Hind limb 16 



Width of head .... 6 Tail 90 



Body 35 



Southern Australia. 



a-b. Ad. New South Wales. G. KrefFt, Esq. I /'n,,„^„ % 



c. Ad. Sydnev. Dr. A. Glinther [P.]. f ^^y"^^^') 



d. Ad. ? 



Types examined, 



