Askenderov Azim D. RussiaMakhachkalaDagestan State University, 43a Gadzhieva St., Makhachkala 367025, Russiaaskenderov@mail.ru Author's articles Age structure and growth of the oriental tree frog (Hyla orientalis, Amphibia, Hylidae) in the Samur Forest (North-Eastern Caucasus) Hybridization and distribution of cryptic species of green toads (Bufotes) (Bufonidae, Amphibia) in Republic of Dagestan (Russia) Variability of morphophysiological parameters of green toads of the Bufotes viridis complex (Anura, Amphibia) depending on altitude zoning Reproductive characteristics of Darevskia daghestanica (Reptilia, Lacertidae) in Intra-Mountain Dagestan Materials for the helminthofauna of the green toad Bufotes viridis (Anura, Amphibian) in the Republic of Dagestan