Evseyeva Sofiya S. RussiaSeverskSiberian Federal Scientific Clinical Center of Federal Medicobiological Agency, 4 Mira Str., Seversk, Tomsk Region 636035, Russiasofiaewseewa@gmail.com Author's articles HISTOLOGICAL CHARACTERISTICS OF THE SKIN OF SALAMANDRELLA KEYSERLINGII (CAUDATA, HYNOBIIDAE) MALES IN THE AQUATIC AND TERRESTRIAL PHASES OF THEIR SEASONAL CYCLE