174 Laoertidee. 



large lower temporals by one or two series of small shields, which may 

 be feebly keeled ; a large tympanic shield. No vertically enlarged 

 scales on the lower eyelid. 



Gular scales flat, enlarged and imbricate posterioi'ly, 15 to 19 in a 

 straight longitudinal line in the middle ; gular fold absent or slightly 

 indicated ; collar reduced to a fold on each side, in front of the shoulder. 

 Scales on side of neck juxtaposed, more or less granular. 



Scales on back acutely pointed or shortly niucronate, with strong 

 straight keels, on sides gradually more obtuse and losing the keels 

 towards the veutrals, which are broader than long and hexagonal, 

 those of the second series from the median line broadest. 21 to 24 

 scales across the middle of the body. Ventral plates in 6 longitudinal 

 and 23 to 29 transverse series (23 to 26 in males, 26 to 29 in females). 

 Preanal plate rather large, bordered by one semicircle of small plates. 



Scales on upper surface of tibia rhombic or hexagonal and keeled. 

 10 to 13 femoral pores on each side. 15 to 17 lamellar scales under 

 the fourth toe. 



Caudal scales in nearly equal or alternately somewhat longer and 

 shorter whorls, strongly keeled, pointed, the keels forming very strong 

 longitudinal ridges above ; 16 or 18 scales in the fourth or fifth whorl. 



Greyish olive or pea-green above, with an ill-defined brown or 

 reddish lateral band with or without small light black-edged ocellar 

 spots ; sometimes a rather feebly marked light dorsolateral streak, 

 which may be broken up into spots ; a light streak from the upper lip 

 to the shoulder or to the groin, and another from behind the eye to 

 above the tympanum or to the side of the neck ; black spots on the 

 back, irregularly scattered or forming two to five longitudinal series. 

 A more or less distinct black line from the nostril to the eye, where it 

 bifurcates. Hind limbs with light spots. Lower parts white, outer 

 row of ventrals lemon-yellow, throat of males bluish. 



Measurements (in millimetres) ; 



1,2. c?, Tangier. 3. ?, Tangier. 4. ? , Mogador. 



