LACERTA MTJRALIS IN WESTERN EUROPE AND NORTH AFRICA. 411 



6- $• 



Length of head 23 16 



"Width of head 14 10 



Depth of head 11 8 



Fore limb 3:2 22 



Hind limb 53 37 



Foot 26 21 



Tail 150* 135 



* Tail reproduced. 



This variety is restricted to Sardinia if, as suggested further on, the Balearic and 

 Tunisian specimens which are on record are the result of importation by human agency 

 or have received erroneous indications of locality. 



Var. BEDRIAG^E. 

 Lacerta oxycephala, part., Dum. & Bibr. Erp. Gen. v. p. 235 (1839) ; Bedriaga, Arch, f . Nat. 1880, 



p. 250, pi. xi. 

 Podareis oxycephala Bonap. Icon. Faun. ItaL, Anf. (1840). 



Lacerta oxycephala, var. reticulata Bedriaga, Bull. Soc. Nat. Mosc. 1881, p. 82. 

 Lacerta oxycephala Bedriaga, Arch. f. Nat. 1883, p. 260. 

 Lacerta oxycephala, var. bedriaga Carnerano, Zool. Anz. 1885, p. 418, and Mon. Saur. Ital. p. 48 



(1885). 

 Lacerta bedriaga Bedriaga, Abh. Senck. Ges. xiv. 1886, p. 284. 

 Lacerta muralis, var. bedriaga Bouleng. Cat, Liz. iii. p. 34 (1887). 



Head (PI. XXVIII. fig. 8) about once and a half as long as broad, much depressed, 

 the occipital region flat or slightly concave, its depth in the tympanic region equal 

 to the distance between the centre or the posterior border of the eye and the anterior 

 border of tympanum ; snout more or less acutely pointed, not longer than the post- 

 orbital part of the head. 



Neck as broad as or a little broader than the head. Body much depressed. Hind 

 limb reaching the shoulder, the collar, or a little beyond in males, the axil or the 

 shoulder in females. Foot as long as the head or a little longer (not more than once 

 and one-fourth). Tail round in section, rather strongly depressed at the base, once and 

 a half to twice as long as head and body. 



Rostral shield not entering the nostril ; nasals forming a short or very short suture 

 behind the rostral, or separated from each other l ; usually a single postnasal 2 ; frontal 

 as long as its distance from the end of the snout, or a little longer, or considerably 

 shorter ; supraciliaries separated from the principal supraoculars by a complete series 

 of granules; parietal once and a half to once and three-fourths as long as broad, often 



1 In throe specimens. 



- Two superposed postnasals on both sides in two males (Bedriaga Coll. and L. Midler Coll.) and in one female 

 (Lataste Coll.); on the left side in one male (Lataste Coll.) and in one female (L. Midler Coll.). 



