372 ME. G. A. BOULENG-EK ON THE VARIETIES OF 



I append particulars as to size and scaling of some of them : — 



1. 2. 3. 4. 5. 6. 



J ..... . 80 60 26 12 30 21 



„ 75 61 27 10 31 23-21 



„ 73 67 27 14 34 24-22 



„ 72 62 28 9 30 22-24 



„ 72 60 27 12 28 22-23 



„ 70 63 26 12 26 20 



„ 67 60 26 12 28 19-20 



„ 65 63 27 11 31 21 



„ 64 62 28 10 32 23 



„ 62 68 27 11 32 23 



„ 60 64 27 11 29 23-24 



? 70 60 30 9 26 19 



„ 64 55 29 9 29 20-21 



„ 62 57 28 11 33 22-21 



„ 58 57 29 10 33 20-21 



„ 55 56 28 10 31 23-22 



1. Length (in millim.) from snout to vent. 2. Number of scales across middle of body. 

 3. Transverse series of ventral plates. 4. Number of plates in collar. 5. Number of scales 

 a nd granules between symphysis of chin-shields and median collar-plates. 6. Number of femoral 

 pores (on right and left sides, if differing) . 



This form was found by Bosca on Iviza and on the small neighbouring islands 

 La Grosa, La Eedonia, and El Malvi. 



Several specimens are figured on PL XXVI. figs. 1-5. 



Var. LILFORDI. 



Zootoca lilfordi Giinther, Ann. & Mag. N. H. (4) xiv. 1874, p. 158. 



Lacerta lilfordi Braun, Arb. Zool. Inst. Wiirzb. iv. 1877, p. 4. 



Lacerta muralis Braun, 1. c. p. 26. 



Lacerta muralis fusca Bedriaga, Arch. f. Naturg. 1878, p. 275. 



Lacerta muralis, var. gigliolii Bedriaga, op. cit. 1879, p. 247, pi. xvii. fig. 2. 



Lacerta muralis, vars. balearica, gigliolii, lilfordi Bedriaga, Bull. Soc. Zool. France, 1879, p. 221, 



pi. ix. figs. 1-3. 

 Lacerta muralis balearica, part., Bedriaga, Abb. Senck. Ges. xiv. 1886, p. 248. 



Variations in colour in this lizard are solely responsible for the several names in the 

 above given synonymy. The black colour of the specimens from the Isla del Ayre, near 

 Minorca, was the sole ground on which Giinther established his Zootoca lilfordi, and 

 he showed his neglect of structural characters by associating with it the black lizard of 

 the Filfola rock near Malta. The lizard of Isla del Ayre differs, I repeat, in no other 



