Lacerta. 225 



Var. LILFORDI. 



Zootoca lilfordi, part., Giinth. Ann. & Mag. N. H. (4) xiv, 1874, 

 p. 158. 



Lacerta lilfordi, Brauu, Arh. Zool. Inst. Wiirzh. iv, 1877, p. 4. 



Lacerta muralis, Braun, t.c. p. 26. 



Lacerta muralis fusca, part., Bedriaga, Arch. f. Nat. 1878, p. 275. 



Lacerta muralis, var. (/?gr/io//(', Bedriaga, op. cit. 1879, p. 247, pi. xvii, 

 fig. 2. 



Lacerta muralis, vars. halearica, gigliolii, lilfordi, Bedriaga, Bull. Soc. 

 Zool. France, 1879, p. 221, pi. ix, figs. 1-3. 



Lacerta muralis halearica, part., Bedriaga, Abh. Senck. Ges. xiv, 

 1886, p. 248. 



Lacerta muralis, var. lilfordi, Bouleug. Tr. Zool. Soc. xvii, 1885, p. 

 372, pi. xviii, fig. 1, and pi. xxvi, figs. 6, 7. 



Lacerta lilfordi, part., Schreib. Herp. Eur., ed. 2, p. 464 (1912). 



Head 1^ to If times as long as broad, moderately depressed, its 

 depth equalling the distance between the anterior corner or the centre 

 of the eye and the tympanum ; snout usually decidedly pointed ; cheeks 

 rather swollen in males. Neck as broad as or broader than the head. 

 Body moderately depressed. Hind limb reaching the shoulder, the 

 collar, or a little beyond the latter in males, the axil or the shoulder in 

 females ; foot 1 to 1 .'. times the length of the head. Tail 1 J to 1| 

 times the length of head and body, often of equal thickness in its 

 anterior third. 



Rostral narrowly separated from the nostril, sometimes entering it ; 

 frontal as long as or shorter than its distance from the end of the 

 snout ; series of grannies between the supraoculars and the super- 

 ciliaries complete or incomplete, the first superciliary often in contact 

 with the second supraocular ; suture between the first and second 

 superciliaries usually oblique, sometimes vertical ; parietal l-J to 1| 

 times as long as broad, in contact with the upper postocular ; occipital 

 very variable in size, often longer and broader than the interparietal.* 

 Subocular narrower beneath than above ; upper temporal shields 

 entirely absent or broken up into a series of small shields ; temple 

 covered with granular scales ; masseteric shield usually distinct. t 



30 to 41 scales on a line between the symphysis of the chin-shields 



* Twice as long and twice as broad in a male from Mahon. — Totally absent 

 in a female from the same island. 



t Very small or hardly distinct in single specimens from Mahon, Dragoneraa 

 Island, Ay re Island, and Colomer Island. 



15 



