132 IGTTANIDJE. 



Synopsis of the Species. 



I. Posterior dorsal scales larger than ventrals, and smaller than 



the caudals, which are strongly spinose. 



Fifth toe extending as far as second ; 



posterior dorsal scales only a little larger 



than the anterior 1. marmoratus, p, 132. 



Fifth toe extending as far as second ; 



posterior dorsal scales very much larger 



than the anterior 2. torquatus, p. 133. 



Fifth toe not extending as far as second ; 



a dorsal denticulation 3. roseiventns, p. 133. 



II. Posterior dorsal scales not larger than ventrals. 



Dorsal scales considerably smaller than 



ventrals 4. liumercdis, p. 134. 



Dorsal scales nearly as large as ventrals. . 5. varius. p. 134. 



III. Dorsal scales large, as large as or scarcely smaller than the 

 caudals. 



The adpressed hind limb reaches slightly 



beyond the tympanum ; scales on the 



side of the neck smaller than those on 



the temple 6. cupreus, p. 135. 



The hind limb reaches the eye ; scales on 



the side of the neck larger than those on 



the temple 7. mcestus, p. 136, 



1. Stenocercus marmoratus. 



Trachycyclus marmoratus, Gi-ay, Cut. p. 219. 

 Trachycyclus marmoratus, Dum. ^^ Bibr, iv. p. 356, pi. xxxix. bis. 



fig.'l ; D'Orb. Voy. A)n. Mer. v. Rept. p. 8, pi. iv. figs. 4-8. 

 Heterotropis (Trachycyclus) marmoratus, Fitzimj. Syst. Rept. p. 71. 



No pterygoid teeth. Ear-opening with two tubercular scales in 

 front. Sides of neck folded, studded with small tubercles. Body 

 subeylindrical. No dorsal denticulation. Dorsal scales transversely 

 rhomboidal, keeled, not mucronate, the keels obliquely converging 

 towards the dorsal line; gular and ventral scales imbricate, smooth, 

 the latter a little broader than long. Hind limb with large, strongly 

 keeled, spinose scales ; when stretched forwards, it reaches hardly 

 the ear ; fifth toe reaching as far as second. Tail a little longer than 

 head and body, thick, conical, slightly depressed at the base, covered 

 with whorls of large spinose scales. Upper surfaces fulvous ; back 

 marbled with brown ; limbs and tail with transverse brown bands ; 

 lower surfaces white. 



Total length 116 millim. 



Head 6 



Body 31 



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