153 



ME. G A. BOULENGEE ON THE 



piuk in females *, the outer ventral shields blue or bluish in both sexes ; in one male 

 the other ventrals are white, each with a brick-red spot. 



The rostral sometimes enters the nostril, and in one male it forms a short sxiture 

 with the frontonasal. The series of granules between the supraoculars and the supra- 

 ciliaries may be complete or much reduced, and the masseteric disk may be very large, 

 very small, or absent. 



Monte Cuccio 



Palermo 



Measurements (in millimetres) of specimens from Monte Cuccio : — 



d. 2. 



From end of snout to vent ...... 72 68 



„ fore limb .... 29 23 



Length of head 19 15 



Width of head 12 9 



Depth of head 9 8 



Pore limb 26 22 



Hind limb 43 38 



Foot 23 20 



Tail 155 125 



* AccordiDg to Camerano (Mon. Saur. Ital. p. 64) the lower parts may be of a " rosso deciso " in females. 

 The colour of the lower parts is of very little importance for the definition of varieties (see Tr. ] 905, p. 383, 

 and pi. xxii.), and is not always a guide for the distinction of the seses, as the so-called var. ruhriventris 

 of the typical form may be found in both sexes (Bedriaga, Bull. Soc. Zool. France, 1879, p. 215). Kammerer 

 is mistaken when he says of the female (Arch. Entwickm. xxix. 1910, p. 459), " Ventralseite des normalen. 

 //. muralis niemals rot, die normale Farbe der unteren Telle helm typischen L. muralis Miiunchen."' 



