390 A.GAMID*. 



u. (S . Australia. G. Krefiit, Esq. 



V. Several spec, 2 & ye. ? 



w~x. 2- ? Sir A. Smith [P.], 



(Types of Agama ctslaticeps.) 



13. AmpMbolurus muricatus. 



Grammatopliora muricata, Gray, Cat. p. 251. 

 Lacerta muricata, White, Journ. N.S. Wales, App. p. 244, pL xxxi. 



flg. 1 ; Shaw, Zool. iii. p. 211, pi. Ixv. flg. 2. 

 Agama mmcata, Daud. Sept. iii. p. 391. 

 jaoksoniensis, Kuhl, Beitr. Zool. Vergl. Anat. p. 113 ; Guerin, 



Icon. a. A., Rept. pi. iii. 

 GrammatopBora muricata, Kaup, Ids, 1827, p. 621 ; Dum. ^ Bibr. 

 • iv. p. 475. 

 AmpMbolurus muricatus, Wiegm. Herp. Mex. p. 17 ; Girard, U, 8. 



Explor. Hxped,, Herp. p. 414. 

 maculiferus, Girard, Proa. Ac. Philad. 1857, p. 198, and U. S. 



Explor. Exped., Herp. p. 417. 



Habit moderate. Head rather elongate, snout longer than the 

 diameter of the orbit ; canthus rostralis angular ; nostril equally 

 distant from the eye and the end of the snout ; tympanum measur- 

 ing nearly half the diameter of the orbit ; upper head-scales strongly 

 keeled ; back of head and borders of the tympanum with small spines. 

 Sides of neck strongly plicate ; a more or less distinct dorso-lateral 

 fold, frequently disappearing altogether in the adult. Gular scales 

 a little smaller than ventrals, feebly keeled. Body moderately de- 

 pressed, covered above with very irregular small keeled scales inter- 

 mixed witl) very numerous, enlarged, strongly keeled, spinose scales, 

 some of which form regular series along the back ; a low serrated 

 vertebral ridge or crest ; ventral scales feebly keeled, shortly mucro- 

 nate. Limbs moderately elongate, the adpressed hind limb reaching 

 the eye or between the latter and the tympanum ; limbs with 

 strongly keeled scales of unequal size. Femoral pores three or four 

 on each side, not extending beyond the proximal half of the thigh ; 

 prseanal pores two on each side. Tail round, twice or more than 

 twice as long as head and body, covered above with strongly keeled 

 scales of unequal size. Brown above, with a series of angular 

 darker spots along the middle of the back ; sometimes a lighter 

 band along each side of the latter ; lower surfaces lighter brown, 

 uniform or indistinctly spotted with darker. 



Total length 307 mUlim. 



Head 29 „ 



Width of head 24 „ 



Body 73 „ 



Pore limb 41 „ 



Hind limb 76 „ 



Tan 205 „ 



Australia and Tasmania. 



a. 6- Australia. Capt. White [P.! (Type.) 



b. ?. Australia. Lord Derby [P.]. 



