CHALCIDES OCELLATUS. 217 
has the thick bod) 7 and flat back of tiligugu, but the coloration of forma typica, with a 
pale dorso-lateral line, and the dark brown band below it only present behind the ear 
and over the shoulder. In the island of Limosa the scales number 30 in two 
specimens in the British Museum ; they have the thick body of tiligugu, but the 
coloration is very dark, almost blackish brown, with the pale dorso-lateral line narrow 
and the brown lateral line very broad and much spotted with white. The black spots 
tend to form the characteristic transverse lines, but obscurely, in consequence of the 
dark colour, and the white spots are small but numerous. In Malta the lizard is large, 
like the Hammam Meskoutine and Hammam R'irha specimens, but with the pale dorso- 
lateral band very distinct, and also the brown white-spotted band below it. They have 
30 rows of scales. In another specimen in the British Museum labelled Mediterranean 
there are 32 rows of scales, and this specimen in its coloration is very different from 
all the others, as the black and white ocelli, which are always more or less present in 
tiligugu, even although they cease to form continuous, zigzag, transverse lines, are 
absent in this specimen. Its back is covered with a succession of irregular brown 
markings tending to cross the body irregularly, and to be arranged more or less longi- 
tudinally. The pale dorso-lateral line is present but obscure, whereas the dark brown 
band is broad and spotted with pale olive-brown, which is the general colour of the 
upper parts. A specimen from Syracuse has 32 rows of scales, and is exactly like the 
specimen from the plateau of Sersou, in Algeria, the pale dorso-lateral and lateral 
brown bands being developed equally in both. There is a specimen in the British 
Museum from Sardinia presented by Prof. Bonelli ; it is somewhat faded, but it has all 
the colour characters of the Syracuse specimen, but with 30 rows of scales ; it has, 
however, the rounded attenuated body of forma typica. 
At the city of Morocco, lizards with exactly the same form of body as the variety 
tiligugu are met with, but with the number of the scales rising from 34 to 40 
( = the var. polylepis, Blgr.). Associated with this increase in the lepidosis there is a 
distinct change in the colouring of var. tiligugu, as the light dorso-lateral line and the 
dark brown lateral line with white spots entirely disappear. The characteristic 
transverse zigzag lines into which the black and white spots — -forma typica, but less 
so in tiligugu — tend to arrange themselves become very obscure, but are still more or 
less indicated in some specimens, more especially in the young ; but the general 
character is for each scale to be occupied by a small yellowish spot and margined with 
brown. At Eabat, still further to the west, and on the coast, the black or brown 
margins to the scales form continuous longitudinal lines enclosing the pale spots. 
This is a much better marked variety than tiligugu, to the dimensions of which it 
attains. At Dar el Beida (Casablanca) the scales are more feebly margined with 
brown, and the white spots are numerous, and their transverse arrangement is distinctly 
visible. 
2f 
