LIZARDS. 251 



24, 25. Grammatophora, Kaup. Amphibolurus, WagL, Weic/m. 



Head triangular, flattened, muzzle subacute, with small une- 

 qual angular keeled scales. Nostrils lateral, anterior. Tympanum 

 external. Cutting teeth 5-5, canines 2-2. Throat not pouch- 

 ed, with a plait across the chest. Back not crested. Scales of 

 the back imbricate, unequal, with cross bands of larger scales. 

 Femoral pores distinct. Tail long, conical, depressed at the base, 

 with keeled imbricate scales. 



In the Synopsis of the Genera at p. 232, I have regarded the 

 first section as a genus ; but on consideration, I have thought it 

 better to reduce it again. 



f Back and sides ivith a central and longitudinal series of larger, 

 keeled, compressed scales. Amphibolurus. 



The Crested Grammatophore. Grammatophora cristata, 

 Gray, Zool. Erebus and Terror, t. 



Olive ; head black varied, beneath pale, throat, chest and un- 

 der side of the thighs black ; tail black-ringed ; scales rather irre- 

 gular, with a central and two lateral series of compressed keeled 

 scales; nape with a crest of compressed elevated distant scales; 

 sides of the neck with scattered single elongated conical spines ; 

 tail tapering, with uniform keeled scales, keeled above, rather di- 

 lated at the base, with indistinct cross series of rather larger scales. 



a. In spirits. Western Australia. From Mr. Gilbert's collection. 



The Grammatophore. Grammatophora muricata, Kaup, 

 Isis, 1827, 621. Gray, Griff. A. K. ix. 60. Zool. Erebus ^ Ter- 

 ror, t. Dum. et Bib. E. G. iv. 475. Lacerta muricata, Shaw, 

 Zool. iii. 211, ^. 65,/. 2. White, Jour. 144, t. 31,/. 1. Daud. Rept. 

 iii. 391. Weigm.H.M. 17. Agama Jacksoniensis, AMAZ,Z?e3/^r. 113. 

 Schinz, Rept. t. 30. Guerin, Icon. t. 3,/. A. grandoculis, Zacep. 



Nape and back with an equal crest of triangular compressed 

 scales, and with 2 or 3 similar series on each side of it ; sides with 

 scattered larger keeled scales, and with a series of small compress- 

 ed ones above ; sides of the nape and paratoids with series of tri- 

 angular keeled scales ; tail elongate, tapering, with uniform equal 

 keeled scales ; pale, a series of angular spots down the back, and 

 brown varied and streaked on the sides ; head large. 



a. In spirits. Australia. Capt. White's specimen. 



b. Dry. Australia. 



c. Half grown, in spirits. N. Holland. Presented by J. Hunter, 



Esq. 



d. In spirits. Australia. Presented by the Earl of Derby. 



e. In spirits. W. Australia. From Mr. Gilbert's collection. 



/. In spirits. Van Diemen's Land. Presented by Charles Dar- 

 win, Esq. 

 g — i. Stuffed. Australia. 



