ADDENDA AND CORRIGENDA. 497 



little smaller than inedian dorsals, imbricate, feebly keeled ; nostril 

 directed forwards and upwards ; nasals very large and in contact 

 mesially. Dorsal scales homogeneous, small and granular on the 

 sides, enlarged, flat, imbricate, and feebly keeled on the back. 

 Gular, pectoral, and ventral scales smooth or indistinctly keeled. 

 Scales on upper surface of limbs feebly keeled. Digital fringes 

 moderately developed, stronger on the outer side of the fi)urth too 

 than on the inner. Tibia much longer than the skull. The hind 

 limb reaches beyond the tip of the snout. Tail nearlj' twice as long 

 as the distance from gular fold to vent, strongly depressed at tho 

 base, roundish-depressed throughout the greater part of its length ; 

 except on the basal portion of the tail, the scales are keeled. 

 Yellowish or yellownsh grey above, with small grey or blackish 

 specks and symmetrical markings ; usually a few rose-coloured, 

 purple-edged spots on the anterior part of the back and smaller 

 orange ones on the hinder part ; head with one or two orange trans- 

 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 four or five 

 black spots. 



millim. millim. 



Total length 92 Fore limb 21 



Head 9 Hind limb 37 



Width of head .... 9 Tail 53 



Body 30 



Northern Ealuchistan. 



a. Several spec, (5 $ . Between Nushki Dr. Aitchison [C.]. Afghan 



and Helmand. Boundary Commission. 



b-c. 2 . Helmaud. Dr. Aitchison [C.]. Afghan 



Boundary Commission. 



Allied to P. caudivolvulus, from which it differs, among other 

 points, in having the nasals in contact. 



^(j^ . Page 378. Phrynocephalus maculatus. 



^~ff- c?$- Between Nushki and Dr. Aitchison [C.]. Afghan 



Helmand. Boundary Commission. 



Page 378. Add a new species ; — 

 11 a. Phrynocephalus luteoguttatus. 



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 up])er 

 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 



VOL. III. 2 k 



