8. LTGOSOMA. 335 



140. Lygosoma gerrardii. (Platk XXVII. fig. 3.) 



Rhodona punctata, var. gerrardii, Griiji, Pioc. Zuol. S'oc. 18(34, p. liOG. 

 gerrardii, Giinth. Ann. i^- Mmj. N. H. (.■}) xx. 1807, p. 40. 



Body much elongate ; limbs verj^ weak, anterior mono- or 

 didactyle, posterior didactyle ; the distance between the end of the 

 snout and the fore limb is contained nearly three times in the 

 distance between axilla and groin. Snout subcuneiform, with 

 slightly projecting labial edge. Eye very small. Lower eyelid 

 with an undivided transparent disk. Nostril pierced in a large 

 swollen uasal, which is in contact with or narrowly separated from 

 its fellow ; frontonasal much broader than long, forming a broad 

 suture with the frontal ; priefrontals small and widely separated ; 

 frontal much broader than the supraocular region, in contact with 

 the first and second supraoculars and with the interparietal ; supra- 

 oculars three, small, second largest : five supraciliarics ; fronto- 

 parietals small, smaller than the interparietal ; parietals forming 

 a suture behind the interparietal ; three pairs of nuchals ; fourth 

 upper labial entering the orbit. Ear-opening scarcely distin- 

 guishable. 20 smooth scales round the middle of the body ; dorsals 

 largest. A pair of enlarged prceanals. Fore limb about as long as 

 the snout, hind limb as long as the distance between the commissure 

 of the mouth and the fore limb ; second toe more than twice as long 

 as first. Tail thick, as long as head and body. Yellowish above, 

 with three dark brown bands : lower surfaces white. 



millim. miUi 



Total length 134 Fore limb 3 



^o 



im. 



•5 



Head 9 Hind limb 11 



Width of head G Tail 67 



Body 58 ;: 



Western Australia. 



a. Ad. Swan River. (Type.) 



b. Ad. Champion Bay, N.W. Australia. Mr. Duboulay [T'.]. 



147. Lygosoma pnnctatovittatum. 



Rhodona punctate vittata, Giinth. Ann. ^- Mag. N. H. (3) xx. 1867, 



p. 47. 

 officeri, McC'o>j, Prudr. Zoo!. Victoria, dec. vi. pi. li. 



Body much elongate ; limbs very weak, anterior monodaetyle, 

 posterior didactyle ; the distance between the end of the snout and 

 the fore limb is contained more than three times in the distance 

 between axilla and groin. Snout subcuneiform, with slightly pro- 

 jecting labial edge. Eye very small. Lower eyelid with an 

 undivided transpai'ent disk. Nostril pierced in a large swollen 

 nasal, which forms a suture with its fellow : frontonasal much 

 broader than long, forming a broad suture with the frontal : prae- 



