25. CHLAMYDOSAURtlS, 401 



25. CHLAMYDOSAURUS. 



Chlamydosaurus, Gray^ in King's Voy. Austr. ii. p. 424 ; Wagl. Syst. 

 Amph. p. 151 ; Wiegm. Herp. Mex. p. 14 ; Dum. ^ Bihr. iv. 

 p, 440 ; Fitzing. Syst. Rept. p. 48 ; Gray, Cat. Liz. p. 249. 



Tympanum distinct. Body slightly compressed. No dorsal crest. 

 Neck with a largo frill-like dermal expansion on each side, confluent 

 on the throat. Tail round or slightly compressed. Prseanal and 

 femoral pores. 



Australia. 



1. Chlamydosaurns kingii. 



Chlamydosaurus kingii, Gray, Cat. p. 249. 

 Chlamydosaurus kingii, Gray, in King''s Voy. Austr. ii. p. 425, pi. A, 

 and Zool. Misc. p. 53 ; Dum. Sf Bihr. iv. p. 441, pi. xlv. ; Krefft, 

 Austr. Vert. 1871, p. 47 ; De Vis, Proc. Linn. Soe. N. S. W. viii. 

 1883, p. 1, pis. xiv.-xvi. 



Snout rather pointed, with angular canthus rostralis, its upper 

 surface slightly concave ; upper head-scales small, keeled ; tympanum 

 more than half the diameter of the orbit. The frill-like expansion 

 much more developed in the adult than in the young, covered with 

 keeled scales larger than the dorsals ; its upper edge strongly 

 dental?^. Scales on the body keeled, very small on the sides, larger 

 on the vertebral region and belly. The adpressed hind limb reaches 

 the tympanum or the eye. Three to seven femoral and one or two 

 prneanal pores on each side. Tail round, slightly compressed in the 

 adult male, nearly twice as long as head and body, covered with 

 rather large, equal, strongly keeled scales. Pale brown above, uniform 

 or varied with dark brown, or blackish varied with yellow. 



Total length 810 millim. 



Head 70 „ 



Width of head 55 „ 



Body 190 „ < 



Fore limb 117 „ 



Hind limb 200 „ 



Tail 550 „ 



Queensland ; Northern and North-western Australia. 



a. (S . Islands of Torres Rev. S. Macfarlane [C.]. 



Straits. 



h. Yg. [New Guinea.] Mrs. Stanley [P.], 



c-d, e,f. 2 & yg. Port Essington. .7. Gould, Esq. [C.]. 



g. Hgr. Port Essington. J. B. Jukes, Esq. [P.]. 



h. S- N. Australia. Dr. J. Elsey [PJ. 



i. Hgr. Nicol Bay. Mr. Duboulay [0.]. 



k-l. (S & yg. N.W. Australia. Haslar Collection. 



m, n-p. cS , hgr., & Australia. Haslar Collection. 



2ji 



