TJie Lizards indis^enous to Victoria. 51 



Physignathus, Cuvier. 



Tympanum distinct. Body more or less compressed. Nuchal 

 and dorsal crests present. No gular sac, a strong transverse 

 gular fold. Tail more or less compressed. Toes not lobate. 

 Femoral pores present, at least in the male. 



Australia and Papuasia ; Siam and Cochin China. 



Physignathus lesueurii, Gray. 



Physig7iathus lesueurii, Gray, Cat., p. 248. 



Lophura lesueurii. Gray, GrifF., A. K., ix,, Syn., p. 60. 



Istiurus lesueurii, Dum. and Bibr., p. 384, pi. xl. 



Amphiboluriis heterurus, Peters, Mon. Berl. Ac, 1866, p. 86. 



Physignathus lesueurii, Giinth., Ann. Mag. N.H. (.3) xx., 1867, 

 p. 51. 



Physignathus lestteurii, var. howittii, McCoy, Prodr. Zool. 

 Vict., pi. 81. 



Description. — " Head moderately elongate, large and thick in 

 the male ; snout slightly longer than the diameter of the 

 orbit ; nostril nearer the end of the snout than the orbit ; 

 canthus rostralis, supraciliary and supraorbital borders forming 

 slight ridges ; tympanum half the diameter of the orbit ; 

 upper head-scales very small, very strongly keeled ; occiput and 

 temple with numerous conical and compi'essed tubercles. Gular 

 scales subimbricate, indistinctly keeled, intermixed on the sides 

 with enlarged suboval tubercles forming irregular longitudinal 

 series ; some of the hindermost of these tubercles conical ; a row 

 of slightly enlarged shields on each side, parallel with the infra- 

 labials. Nuchal crest composed of a few triangular compressed 

 spines ; dorsal crest a serrated ridge. Dorsal scales minute, 

 granular or subimbricate, keeled, intermixed with enlarged, 

 roundish, keeled tubercles forming irregular transverse series ; 

 venti'al scales larger than dorsals, imbricate, keeled. Limbs long, 

 scaled like the back ; the adpressed hind-limb reaches between 

 the eye and the end of the snout. Sixteen to twenty-two femoral 

 pores on each side. Tail strongly compressed, crested like the 

 back, twice and a half times as long as the body ; superolateral 

 scales very small, intermixed at the base of the tail with enlarged 



