Lacerta. 201 



rarely 5 or 7, first longest and forming an oblique suture with the 

 second ; series of granules between the supraoculars and the super- 

 ■ciliaries rarely complete, the first superciliary usually, the second 

 sometimes, in contact with the second supraocular* ; parietals 1^ to If 

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

 occipital sometimes very small, but often as long as and broader than 

 the interparietal,^ from which it may be separated by a small shield§ ; 

 4 upper labials anterior to the subocular, rarely 5|| ; subocular much 

 narrower beneath than above ; temporal scales small, often granular, 

 with the tympanic shield always distinct and the masseteric usually so, 

 often large^f ; enlarged upper temporals narrow, 3 to 6 in number, 

 sometimes hardly distinguishable in size and form from the other 

 temporal scales. 



24 to 38 (usually 25 to 36) scales and granules between the 

 symphysis of the chin-shields and the median collar-plate ; gular fold 

 very distinct. Collar not or but very feebly serrated. 



Pterygoid teeth rarely present. 



Scales on body very small^ convex, round or oval-hexagonal, more or 

 less distinctly keeled, sometimes smaller still and irregularly disposed 

 on the vertebral line ; 55 to 78 scales across the middle of the body, 

 usually 63 to 76 ; 3 or 4, or 4 or 5 transverse series correspond to a 

 ventral plate, 36 (?) to 55 (c?) to the length of the head. Ventral 

 plates in 6** longitudinal and 23 to 32 transverse series (23-28 in 

 males, 26-32 in females) ; in the middle of the belly the plates of the 

 median pair sometimes as broad as the others.! t Preanal plate 

 moderately large or rather small, bordered by two or three semicircles 

 of smaller plates or scales. 



Scales on upper surface of tibia keeled, usually smaller than dorsals. 



* Granules reduced to 5 in two specimens from Scoglio Sugau and in one 

 from Ponza Id. Series complete in a female from Ischia, male and female 

 from Procida, male from Gianuti, male from Casamicciole, female from S. Nicola. 



t Exceptions in a male from Ponza Id. (v. latastii), and in a female from 

 Pompeii. 



J Longer and broader in a male from Eome and in a female from Scoglio 

 Siisao. Completely absent in a male from Gianuti. 



§ Males from Rome and Moute Gargano, females from Ponza. 



II On both sides in males from Pelagosa Grande and S. Nicola, in females 

 from Pompeii and Pelagosa Piccola, on right side in a male from Arbe Id. and 

 in a female from the Paraglioni. 



1" Absent in a specimen from Capri and in two from the Faraglioni. 



** Exceptionally 8, according to Eimer and Bedriaga, in specimens from the 

 Faraglioni. 



tt A feature of very exceptional occurrence in the other varieties. 



