ALLIED TO LACERTA MURALIS. 27 



but exceptionally in the typical form. In his notes on L. rifji/ls from Bosnia and 

 Herzegovina, ^^'erner mentions that out of 38 cases examined, one postnasal and one 

 anterior lorcal occurs 25 times ; in 6 cases there are one postnasal and two superposed 

 anterior loreals, in 2 cases two postnasals and two anterior loreals, in o two postnasals 

 and no anterior loreal, and in 2 one postnasal and no anterior loreal. One postnasal 

 and one anterior loreal, a combination which is very exceptional in the typical form 

 and never occurs in the var. exiffua, is therefore the rule in this variety. 

 The two specimens examined by me are here tabulated: — 



The uuniber of scales is below the average in the typical form, the dorsal scales 

 are not abrujjtly difi'erentiated from the dorso-laterals, and Werner refers to the large 

 size of the outer ventral plates — a character, however, not shown by the specimens 

 before me, to the low number of gular scales (lo to 16) and of femoral pores 

 (11 to 13). In one of his specimens the occipital is absent and the rostral is in 

 contact w-ith the frontonasal. 



Otherwise the proportions and the lepidosis are as in tlie typical form, and so is 

 the coloration, except for the median light spots being confluent to form a vertebral 

 streak (var. spinalis of Werner), which, according to Schreiber, is but exceptionally 

 interrupted. 



Some specimens are said to have the back uniform red or reddish brown, without 

 any markings, as we occasionally find in the typical form and the following variety. 



Schreiber regards the Bosnian Lizard as more nearly related to the var. exigua, to 

 which it has actually been referred by Boettger (Katal. Rept. Mus. Senckenb. i. p. 82). 



Habitat. Dinaric Alps (up to 2000 m.). Mountains of Bosnia and Herzegovina (u^) 

 to 1500 m.), and probably Bulgaria. 



Var. CHERSONENSis Andrzej. 



Larerta chfrsonevfis Amliv-fjowski, N. Mem. Soc. Nat. Mosc. (2) ii. 1832. p. 327. 



J.acerta viritiis, var. a, Sclireih. IIim-j). l']iir. p. 434 (1875). 



Lacerta agilis, var., Kiritzescu, Bui. Soc. So. Bucar. x. l'.)01, p. 308. 



As pointed out by Kiritzescu, the Roumanian specimens from the Carpathian district 

 do not differ in any respect from the typical form, whilst the others, which I refer 

 to the var. c/iersonensis, approach the var. exigua and also L. viridis. 



The head is a little smaller than in the typical form, being contained 4 to 4^^ times 

 in length to vent in males. One postnasal followed by one anterior lorcal, as in the 

 var. spinalis, is frequent (18 cases out of 38), but there are often two postnasals, 

 followed by one or two anterior loreals ; one postnasal and two anterior loreals, 



E 2 



