LIZARDS OF THE GENUS CHALCIDES. 



79 



-that therefore it may, provisionally at least, retain its specific 

 rank. 



In the small island of Linosa, between Tunisia and Malta, 

 lizards similar to, but easily distinguishable from, the typical 

 C. ocellatus are found, and have been regarded as the young of 

 the var. tiligttgu, which occurs in Tunisia and Malta, They differ 

 from the typical form in the sma.ll size (the largest specimen 

 measuring only 80 mm. without the tail), in having the gular 



Text-figure 1. 



Series A. 



a. Ch. ocellatus. 



b. Ch. sepoides. 



c. Ch. delislii. 



d. Ch. mauritanicus. 



b C 



Reduction in the hind limb. 



Series 1}. 



a. Ch. thierryi. 



b. Ch. lineatus. 



c. Ch. tridactylws. 



d. Ch. guentheri. 



region spotted, and in the under surface being slate-colour. They 

 are dorsally brown, spotted all over with small black and white 

 ocelli. An indistinct paler dorso-lateral band is sometimes pre- 

 sent. The number of scales round the body is 30 in all speci- 

 mens, the two median rows being enlarged^ These lizards are 

 tuadoubtedly distinct from all the other forms of the species 

 ocellatus, and for them I propose the varietal name of linosce. 

 C. thierryi was originally described as a var. of G. hottegi : it is. 



