■238 Lacertidx. 



median collar-plate, exceptionally 34* ; gular fold distinct. Collar 

 even-edged, composed of 8 to 11 plates. 



Scales on body granular, oval or oval-subhexagonal, rather strongly 

 keeled, 56 to 73 across the middle of the body, 37 ( ? ) to 51 ((J), 

 transverse series corresponding to the length of the head, 4, or 3 and 

 4, corresponding to a ventral plate. 23 to 26 transverse series of 

 ventral plates in males, 26 to 30 in females. Preanal plate large, 

 with one or two semicircles of small plates. 



Scales on upper surface of tibia strongly keeled, smaller than dorsals. 

 16 to 25 femoral pores on each side, usvially 19 to 21. 26 to 31 

 lamellar scales under the fourth toe, exceptionally 24. 



Upper caudal scales strongly keeled, narrow, very obtusely pointed 

 behind ; the whorls alternately longer and shorter, the diiference often 

 very great ; 30 to 38 scales in the fourth whorl. 



The coloration, which is the same in both sexes and in the young, is 

 an exaggeration of the brueggemanni variety, the black predominating. 

 Some specimens approach very nearly the reticulated type of this 

 variety in having the middle of the back green with a black network, 

 whilst in general the black has so invaded the upper parts that the 

 yellow or green ground-colour is reduced to isolated small spots, which 

 may be round or wavy and transverse, as in Bedriaga's var. flaviundafa, 

 with every passage between the two extremes. The sides are black, 

 with round cream-coloured, yellow, or l)lue spots. The head in some 

 specimens may be described as brown with black spots or vermicula- 

 tions, in others as black with yellow or green variegations. The 

 limbs are black, with yellow or green round spots. The lower parts 

 are black and white, or brownish white, the black usually pre- 

 ponderating and often disposed in longitudinal bands, sometimes 

 three in number ; some specimens are nearly entirely black beneath, 

 with mere remains of the white ground-colour. Large blue spots on 

 the outer row of ventrals, but never forming a continuous band as in 

 Bedriaga's figure of the var. ^avmncZafa. Tail brown, with the black 

 and white markings, usually so conspicuous in the typical form, very 

 strongly defined and forming nearly complete annuli. 



Measvaremeuts (in millimetres) : 



From end of snout to vent 



,, ,, ,, fore limb . 



Length of head .... 

 Width of head .... 

 Depth of head .... 



* In the specimen from S. Stefano Id. 



