. Bulletin of the British Museum (Natural History) Zoology. :;\ anterolatera projectio. e f Fig. 4 Snouts of lacertid skulls with the left nasal cavity opened to show variation in the septomaxilla. a. 'Lacerta' jacksoni'; b. Gallotia atlantica; c. Acanthodactylus schmidti; d. Pedioplanis laticeps; e. Mesalina balfouri; f. Ophisops elegans. 9 Width of parietal bone/length of section bearing osteoderms or at least covered by large dermal plates. Less than (0); more than (1). , Pineal fontanelle (Figs 2,3). Present (0,0); absent in many but not all individuals, or reduced (1,0
. Bulletin of the British Museum (Natural History) Zoology. :;\ anterolatera projectio. e f Fig. 4 Snouts of lacertid skulls with the left nasal cavity opened to show variation in the septomaxilla. a. 'Lacerta' jacksoni'; b. Gallotia atlantica; c. Acanthodactylus schmidti; d. Pedioplanis laticeps; e. Mesalina balfouri; f. Ophisops elegans. 9 Width of parietal bone/length of section bearing osteoderms or at least covered by large dermal plates. Less than (0); more than (1). , Pineal fontanelle (Figs 2,3). Present (0,0); absent in many but not all individuals, or reduced (1,0); absent in all cases (1,1). 11 Cranial osteoderms (Figs 2,3). Reaching the back of the parietal bone extensively in medial area (0); not extending this far posteriorly or only over a small area (1). 12 Postfrontal and postorbital bones (Figs 2,3). Separate in adults, with rare exceptions (0); fused in adults and most young animals (1).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Farn, Alexander E. London : Butterworths
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