412 AGAMIDiE. 



large tubercles on each side, behind the angle of the mouth. Neck 

 as long as the head, from which it is separated by a fold ; a transverse 

 row of seven large spines, followed by a globular protuberance 

 covered with enlarged scales, and a pair of large conical spines 

 pointing outwards and backwards. Dorsal scales polygonal, jux- 

 taposed, rough with small granules, some indistinctly keeled ; these 

 scales slightly enlarged round the base of the large spinose tubercles ; 

 latter conical, ribbed or keeled, forming ten more or less regular 

 longitudinal series, those of the outer series the largest. Ventral 

 scales unequal, rough, feebly keeled, subimbricate, intermixed with 

 enlarged roundish, keeled, and spinose tubercles. Limbs rather 

 strong, covered with jiolygonal scales and large spinose tubercles ; 

 digits extremely short, thick, armed with strong claws. Tail 

 shorter than head and body, cylindrical, ending obtusely, covered 

 with scales and tubercles as on the body. Yellowish, with large 

 chestnut-brown or reddish brown, darker-edged, sjTnmetrical 

 markings. 



Total length 212 millim. 



Head 18 „ 



Width of head 18 „ 



Body 104 „ 



Fore limb 51 „ 



Hind limb 58 „ 



Tail 90 „ 



Southern and Western Australia. 



a. Ad. W. Australia. 



b. Hgr. W. Australia. Lady Harvey [P.]. 



c. Ad. Swan River. J. B. Jukes, Esq. [PJ. 



d. Ad. Swan River. C. W. Smith, Esq. [P.J. 



e. Ad. Australia. J. B. Jukes, Esq. 

 f-ff. Ad. Australia. • Capt. Stokes [C.]. 

 h. Ad. Australia. Mr. Bland [C.J. 



t. Ad. skeleton. W. Australia. Sir G. Grey [P.]. 



The following genus was established upon a single female speci- 

 men, and its place in the system can hardly be assigned unless it be 

 known whether or not praeanal or femoral pores exist in the male : — 



OREODEIRA, Girard, Proc. Ac. Philad. 1857, p. 199, 

 and U. S. Explor. Exped., Herp. p. 419. 



" Head depressed, rather broad and short, covered with small, 

 subtuberculous and subimbricated plates. Occipital plate rather 

 large. Nostrils lateral, situated within the extension of the supra- 

 ciliary ridge along the snout. Supralabial plates and temporal scales 

 carinated. Tongue tieshy, anteriorly notched or bifid. Compressed 

 and cutting-teeth on the sides of the jaws, and subconical incisors 



