. The life-history of British lizards and their local distribution in the British Isles. HEAD OF INDIAN SLOW-WORM. OPHISA UR US GRA CIL IS. \Facing/>. go. COMMON LIZARD. \F(icin^/>. gr. SPECIFIC CHAKACTERS OF BRITISH LIZARDS 91 numerous; inter-parietal as long as and broader thanthe parietals and in contact with a small occipital; asmall fronto-parietal between the supra-oculars andthe inter-parietal, and a larger shield between thesupra-oculars and the parietal; supra-oculars 5 or6. Ear - opening minute, usually hidden. Scalessmooth, median dorsal and ventrals broad, hexagonal;

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. The life-history of British lizards and their local distribution in the British Isles. HEAD OF INDIAN SLOW-WORM. OPHISA UR US GRA CIL IS. \Facing/>. go. COMMON LIZARD. \F(icin^/>. gr. SPECIFIC CHAKACTERS OF BRITISH LIZARDS 91 numerous; inter-parietal as long as and broader thanthe parietals and in contact with a small occipital; asmall fronto-parietal between the supra-oculars andthe inter-parietal, and a larger shield between thesupra-oculars and the parietal; supra-oculars 5 or6. Ear - opening minute, usually hidden. Scalessmooth, median dorsal and ventrals broad, hexagonal;24 to 28 scales round the middle of the at least as long a;S the body. Young silveryabove, with a black vertebral line; sides and lowersurfaces blackish. In the adult these markings oftendisappear, or may be replaced by a series of darkdots, and the colour of the upper surfaces becomesbrown or bronzy. A variety (colchica), in which theear-opening appears to be normally distinct, is distin-guished by having scattered pale blue spots on the snout to vent, 195 mm.; tail, 230. Family LACERTlDiE. Genus Lacerta. Head shields normal. Nostril pierc

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Keywords: ., bookcentury1900, bookdecade1900, bookidlifehistoryo, bookyear1903