ALLIED TO LACEKTA MUKALTS. 83 



back, rarely nearly as larue. 25 to 33 lamollar scales under the fourth toe. 16 to 24 

 femoral pores on each side (12 to 19 in specimens from Great Salvage). 



Caudal scales narrow, truncate or very obtusely pointed, the upper obtusely or rather 

 stronj^ly keeled, the lower usually feebly keeled, the keels straight ; the whorls 

 markedly longer and shorter alternately; 34 to 40 scales in the fourth or fifth whorl 

 behind the postanal granules. 



Ground-colour grey, brown, or green, or dark l)rown or blackish speckled with 

 yellowish or green ; a pair of light bands, sometimes dark-edged, from behind the 

 superciliary edge to the base of the tail, constantly present in the young, is usually 

 retained by the females; sides often with a l)lack or dark brown band with or without 

 light dots. Upper surface of head with snudl dark spots or veriuiculations. Markings 

 on the tail similar to those on the body ; no cross-bars. Lower parts yellow, orange, 

 or red, usually uniform, sometimes with black dots; no blue spots on the outer ventral 

 plates. 



The British Museum (lollection contains a totally black specimen ( $ ) from Madeira. 



A male from Bugio, S. Descrta, is nearly black above with traces of lighter markings, 



and the belly is black with whitish variegations. 



Measurements (in millimetres): — 



1. 'J. 3. 4. 5. 6. 



From end of snout to vent .... .^0 -SO 74 (>4 7(1 58 



foro liiiii.. . . :'.;'. ;ii an -'4 -ii 2:5 



Length of head 21 17 17 1.") 17 14 



Width of head 15 12 1:5 9 11 '.I 



Depth of head 10 9 9 « '•• 7-5 



Fore limb 28 25 21t 21 25 20 



Hind lindj ;Vj* 37 :V.i :V2 8G 28 



Foot 21 r.» 21 17 18 15 



Tail — — i;55 108 U5 — 



1. S, Piiid, jMadeira. 2. ?, Fan!. 3. (J, Madeira. 4. ?, Madeira. 5. J, Great Salvage. 

 G. ? , Great .Sahage. 



Particulars of Specimens examined. 



*l. 2. 3. 4. 5. 6. 7. 



c? . Madeira (tyjm of 7'. y.i//R/((/.0 . 65 60 25 10 31 20 30 



(Pany) 08 72 28 10 35 lt<-20 31 



„ " 04 O'.t 20 12 :U 18-21 29 



$ . „ „ (54 01 20 11 28 20 2,9 



* For explanation of numbers, see p. 48. 



* The left hind limb of this specimen is mutilated, and from the stump of tibia left a new growth liiis 

 sprung out which in form and scaling resembles the tail of a lizard, tapering to a fine point and clad with 

 whorls of keeled scales (I'l. VII. tig. 4). A somewhat similar outgrowtli has been described and figured 

 by lirindley (Journ. Bombay N. H. Soc. xi. 1898, p. 686, pi. — . fig. 8) in L. mural is. 



h2 



