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Show 202 MR. G. A. BOULENGER ON LACERTA SIMONYI. [Mar. 17, Femoral pores 31-31. Tail nearly once and a half as long as head and body (reproduced) ; caudal scales strongly keeled, with truncate posterior border. Blackish brown above ; a lateral series of six or seven roundish pale yellow spots, gradually decreasing in size from front to back, the first above the shoulder; three other large yellowish spots lower down on each side, extending on to the outer ventrals ; lower parts brown, yellowish in the middle of the belly ; some of the ventrals tinged with red. millim. Total length 535 Head 57 Width of head 45 From end of snout to fore limb 90 From end of snout to vent 210 Fore limb 80 Hind limb 120 Tail (reproduced) 325 The teeth have tricuspid crowns, the lateral cusps being stronger and more regular than in any of the adult Lacertce which I have examined. They differ much from those of a Lacerta ocellata of similar size in not being worn down, as may be seen from the figures (Plate XIX. figs, d, e) appended to this paper, which represent the lateral teeth in the two Lizards. Lacerta simonyi has been correctly compared by Steindachner with L. galloti from the Canary Islands, which must be regarded as its nearest ally. Its affinities to L. ocellata are, however, equally striking, for though it agrees with the former in its single postnasal, its five anterior labials, and the number of femoral pores, it differs from it and agrees with the latter in its temporal scutellation and its denticulate collar. It appears to me, therefore, that L. ocellata and L. galloti are more intimately connected than has been hitherto believed. EXPLANATION OF THE PLATES. PLATE XVIII. Lacerta simonyi, $ • Two thirds natural size. PLATE XIX. a. Upper view of head of Lacerta simonyi. b. Lower view of head of ditto. c. Anal region of ditto. d. Maxillary teeth of ditto. Multiplied two diameters. e. Maxillary teeth of Lacerta ocellata. Multiplied two diameters. |