LIZARDS. 69 



Fam. XIV. Lialises, (Lialisid^). 



Head elongate, depressed. Cheeks scaly, covered with rather 

 imhricate scales. Muzzle flattened in front. Nostrils in the hind- 

 er edge of a small nasal shield in front of the face-ridge. Eyelid 

 rudimentary, circular, scaly. Pupil elliptical, erect. Ears dis- 

 tinct. Body elongate, subcylindrical. Scales oval, smooth, im- 

 bricate. Belly with 2, tail with 1, series of larger shields. Limbs 

 2, posterior, short, undivided, fiat, scaly. Tail rather tapering, 

 elongate. Vent with a series of pores in front, in the front edge 

 of a scale. 



1. Li A LIS, Gray. 

 The only genus. 



Burton's Lialis. Lialis Burtoni, Gray^ Proc. Zool. Soc. 

 1834, 134. Grey's Travels, ii. 437, t. 3, f.l. Zool. Misc. 52. 

 Dum. et Bib. E. G. v. 831. 



Above, grey olive, in spirits, with 5 rather interrupted brown 

 longitudinal streaks, the central streak divided into two over the 

 nape, and united together again over the nose, the outer lateral 

 streaks narrowest and more interrupted, edged with the two colors; 

 beneath blackish grey, with large white spots; lips and streak un- 

 der ear and along the side of the neck white. 



a, h. Adult female, in spirits. W. Australia, Houtman's Abrol- 



hos. From Mr. Gilbert's collection, 

 c. Half-grown, in spirits. W. Australia. 



The Tw^o-LiNED Lialis. Lialis bicatenata, Gray^ Zool. Misc. 

 52. Voy. Erebus and Terror^ Rept. t. 



Above brown grey, in spirits, with a series of distant black spots 

 (one on the centre of each scale) along each side of the back ; top 

 of the head and nape with an indistinct double band, forming an 

 elongated loop : beneath blackish grey, whitish dotted : chin and 

 throat blackish, white-spotted ; lip-shields brown. 



rt, b. Half-grown, in spirits. Partly bleached. Throat like rest 

 of under side. Australia. Presented by Sir James Macgregor. 



c. Adult, in spirits. Port Essington. From Mr. Gilbert's col- 

 lection. 



rf, e. Half-grown, in spirits. Not good state. Australia. 



The Dotted Lialis. Lialis punctulata, Gray^ Zool. Misc. 52. 

 Zool. Erebus and Terror, Rept. t. 



Brownish grey, very minutely black-dotted, beneath darker 

 brownish grey, the two colours separated by a very narrow brown 

 edu;e and a distinct white line ; sides of the head and neck dark 

 chocolate brown, edged above with a very narrow, and beneath 

 bv a broader white band ; front upper and side lower Labial plates 

 white, the rest dark brown. 



