LIZARDS. 259 



Scales of the foreliead rather tubercular, of eyebrows smooth ; 

 tympanum narrow, partly hidden by the scales of its upper edge ; 

 back not crested ; nape and sides of the neck with rather larger 

 tubercular scales ; scales of the back smooth or slightly keeled, 

 with scattered flat tubercles or irregular rhombic scales ; of belly 

 smooth ; tail moderately long, conical. 



a — c. In spirits. Egypt. Presented by Sir J. Gardner Wilkinson. 



The Blood-spotted Trapelus. Trapelus? sanguinolentus, 

 Eichw. Fauna Casp. Cauc. 89, t. 14:, f. 3, 4. Lacerta sang. Pal- 

 las. L. Agama, Guld. Agama Aralensis, Licht. JEversm. A. 

 Oxiana, Eichiv. Zool. Spec. Lac. scutata, G. A. Gmelin. 



Ash, with waved cross bands and a violet spot on each side of 

 the neck ; scales of the back roundish, equal, keeled, near the ears 

 larger, aculeate. 



Inhab. Eastern shores of Caspian. 



** Third and fourth hind toes equal, short. Ears ivith 1 or 2 

 large tubercles in front. Claivs largely sheathed, tvith scales at 

 the base. Isodactylus. 



The Egyptian Trapelus. Trapelus Sinaitus. Agama Si- 

 naita, Heyden. Ruppell, N. Afr. Zool. 10, t. 3. Gray, Griff. A. K. 

 vs.. 58. Duin. et Bib. E. G. iv. 510. Agama straminea, Mus. 

 Berl. Licht. Cat. P A. Lichtensteinii, Gray, B. M. A. arenaria. 

 Van Heyden. Gray, Griff. A. K. is.. 68. A. Isodactyli, ZicA*. 

 Mus. Berl. 



Muzzle short; scales of the forehead swollen, of eyebrows flat; 

 interparietal plate small ; scales of the back small, equal, of the 

 belly smooth ; tympanum large, with 2 or 3 small tubercles on the 

 front edge ; back and neck without any crest or tubercles ; anal 

 pores 6. 



a. Adult, in spirits. Egypt. Presented by James Burton, jun. 



Esq. 



b, c. In spirits. Egypt. Presented by James Burton, jun. Esq. 



** Preanal and femoral pores none. Ears hidden under the skin. 

 Scales of the back small, granular. Back not crested. Phryno- 

 cephalina. 



31. Phrynocephalus, Kaup. 



Head nearly circular, flattened. Lips toothed on the edge. 

 Nostrils oblique, suberect, anterior. Tympanum hidden under 

 the skin. Neck contracted. Throat rather lax, with a cross fold 

 behind. Body depressed, broad, not crested. Tail thin, flattened 

 at the base, often prehensile. Toes toothed on the edge. Femo- 

 ral and preanal pores none. 



