Fig. 7 in A new vertebrate for Europe: the discovery of a range-restricted relict viper in the western Italian Alps

Fig. 7. Variation in head scalation in adult female (upper four photographs) and adult male (lower four photographs) of Vipera walser sp. nov.Published as part of Samuele Ghielmi, Michele Menegon, Stuart J. Marsden, Lorenzo Laddaga & Sylvain Ursenbacher, 2016, A new vertebrate for Europe: the discovery of a range-restricted relict viper in the western Italian Alps, pp. 161-173 in J. Zool. Syst. Evol. Research 54 (3) on page 167, DOI: 10.1111/jzs.12138, http://zenodo.org/record/19190