Gorelov Roman A. RussiaTogliattiInstitute of Ecology of the Volga River Basin of RAS, Samara Federal Research Center of the Russian Academy of Sciences, 10 Komzina St., Togliatti 445003, Russiagorelov.roman@mail.ru Author's articles Leukocyte blood composition of Naturix natrix (Serpentes: Colubridae) in the Mordovian State Nature Reserve (Russia) Comparative leukocyte blood profile of Emys orbicularis (Reptilia: Emydidae) from two populations On limits of the distribution range of the Crimean rock lizard Darevskia lindholmi (Sauria: Lacertidae) Amphibians of the Orenburg State Nature Reserve (Russia)