82 Proceedings of the Royal Society of Victoria. 



above pale colour extending from the ear above the fore-limb to 

 the L'roin. Lower surfaces bluish-jireen. 



Distribution — Victoria : Brandy Creek, Dandenong Ranges 

 (Melb. Mus.) ; Dimboola, Gisborne, Croajingolong (L. and F.). 



We have named this elegant little lizard after Prof. W, B. 

 Spencer, M.A., Professor of Biology at the Melbourne Univer- 

 sity, to whom we are indebted for assistance in many ways 

 during the preparation of this work. 



Lygosoma. 



Sub-genus Hemiergis, Wagl. 



Limbs very short, with less than five digits. Lower eyelid 

 with an undivided transparent disk. Ear covered with scales. 

 No supranasals, prtefrontals well developed. Frontal not broader 

 than the supraocular region. 



Hemiergis peronii, Fitz. 



Tetradactylus decresie?isis, Gray, Cat., p. 86. 



Seps peronii, Fitzing, N. Class, Kept., p. 53 ; Gray, Griff. 

 A.K., ix., Syn., p. 72. 



Tetradactylus decresiensis, Cuv., R.A., 2nd ed., ii., p. G4 ; Dum. 

 and Bibr., v., p. 764; Gray, Zool. Ereb. and Terr. Rept., pi. vi., 

 fig. 4 (and details of head, fig. 1). 



Hemiergis decresiensis, part., Steind, Novara, Rept., p. 50. 



Description. — '= Body much elongate ; limbs very weak, tetra- 

 dactyle ; the distance between the end of the snout and the fore- 

 limb is contained twice to twice and two-thirds in the distance 

 between axilla and groin. Snout short, obtuse. Lower eyelid 

 with an undivided trans-parent disk. Nostril pierced in the nasal; 



