PHBYNOCEPHALCS. 155 



verse markings ; usually a blackish or purplish-grey, straight-edged 

 or festooned lateral band, which may be edged above with a 

 yellowish-white band ; a grey band along the hinder side of the 

 thighs. Tail sometimes with regular elliptical brown or orange 

 spots above, separated by a yellowish-white chain. Lower surfaces 

 white; tail usually lemon-yellow, constantly with 4 or 5 black 

 spots. 



From snout to vent 1'5 inches ; tail 2-1. 



Hob. Between Nushki and Helmand River, in Northern Balu- 

 chistan. 



177. Phrynocephalus maculatus. 



Phrynocephalus maculatus, Anders. P. Z. S. 1872, p. 389, fig.; Blanf 

 Zool. E. Pers. p. 331 ; Bouleng. Cat. Liz. i. p. 377 : id. Tr. Linn 

 Soc. (2) v, 1889, pi. ix, fig. 3. 



Forehead convex, with slightly enlarged scales ; median supra- 

 orbital scales as large as or smaller than the median dorsals ; 

 occipital scales slightly enlarged ; nostril directed upwards ; nasal 

 separated from its fellow by one scale. Dorsal scales homogeneous, 

 smaller on the sides, rhomboidal, imbricate, smooth. Gular, pec- 

 toral, and abdominal scales smooth. Scales on the limbs smooth or 

 feebly keeled. Third and fourth toes with feeble lateral denticula- 

 tion. Tibia longer than the skull. Tail depressed, especially at 

 the base, tapering to a point, covered with keeled scales ; its length 

 equals nearly twice the distance from gular fold to vent. Greyish 

 above, speckled or guttate with whitish, and with more or less 

 distinct darker dots, spots, or cross bands ; lower surface white ; 

 end of tail black beneath. 



From snout to vent 2-5 inches ; tail 4. 



Hob. Persia, Northern Baluchistan. 



178. Phrynocephalus luteoguttatns. 



Phrynocephalus luteoguttatus, Bouleng. Cat. Liz. iii, p. 497 ; id. 

 Tr. Linn. Soc. (2) v, 1889, p. 98, pi. viii, fig. 4. 



Head much depressed, forehead convex, not sloping ; upper head- 

 scales small, obtusely keeled, not enlarged on the occipital region ; 

 nostril directed forwards and upwards ; nasals in contact mesially ; 

 three or four series of scales between the orbit and the upper labials ; 

 none of the chin-shields in contact with the mental or the lower 

 labials. Sides of head and neck with series of erect pointed scales. A 

 fold along theflanks. Dorsal scales rather large, rhomboidal, obtusely 

 keeled, intermixed with some that are enlarged, obtusely keeled, 

 and flat ; lateral scales smaller, equal. Gular, pectoral, and ventral 

 scales smooth or very feebly keeled, ending in a point ; median 

 gulars nearly as large as ventrals. Scales on upper surface of limbs 

 keeled. Digits strongly fringed, the fringe extremely strong on 

 the outer side of the fourth toe. Tibia longer than the skull. The 

 adpressed hind limb reaches the eye. Tail about as long as head 



