3S8 Mr. Gray on the Slender-tongued Saurian** 



XLIII. — Catalogue of the Slender-tongued Saurian*, with De- 

 scriptiona of many new Genera and Species. By John 

 Edward Gray, Esq., F.R.S., Senior Assistant in the 

 Zoological Department of the British Museum, &c 



[Continued from p. 283.] 



** Sides with a narrow impressed line ; back, belly, and tail covered 

 with cross bands of 4-sided shields ; throat shielded. 



Fam. III. Z0NURID.E. 



A. Lizard-like ; cars exposed ; legs 4 ; femoral pores distinct. Old 

 World. 



Zonurus. Head depressed, broad behind ; supraorbital plate ex- 

 panded. Tail depressed, with whorls of large square keeled spinose 

 scales ; back with keeled subspinose, belly with smooth scales. Toes 

 5—5. 



* Back and sides covered with large, rhombic, obliquely -keeled, 

 dagger -pointed scales ; lateral line narrow. 



a. Dorsal scales spinose. 



Zonurus Nova- Guinea, Schlegel, 1. c. t. 7. f. 2. 



New Guinea. 



b. Dorsal scales all keeled. 



Zonurus cataphractus. Reddish ; middle of the back varied with 

 olive ; scales of neck ovate, keeled, spreading ; temporal shields 

 keeled, subpyramidical. Tail spinose. 



Cape of Good Hope. 



Zonurus cordylus. Pale brown, darker spotted ; dorsal and lateral 

 scales in sixteen series ; tail slender, elongate. 



Cape of Good Hope. 



c. The central dorsal series of scales flat, smooth. 

 Zonurus vertebralis. Pale brown ; lateral and neck scales keeled, 

 dagger-pointed. 



Cape of Good Hope. 

 * Back covered with large keeled scales, with a vertebral series of 

 small scales ; sides covered with small and rather larger, scattered scales. 

 Zonurus Davy i. Black? Temporal scales large, smooth, many- 

 sided ; three pairs of prseanal plates, hinder largest. 

 Cape of Good Hope. 

 ** Back and sides with small scales having series of larger convex 

 slightly keeled scales on the sides of the back and upper parts of the 

 sides. 



