EN
Helminthologic studies were made in 15 polecats (Putorius putorius L.) and in beech marten (Martes foina L.) from various regions of Poland; 10 species of parasites were found, thus adding to the Polish helminthofauna of polecats 9 and to that of beech marten 2 species. Six species of parasites: Euryhelmis squamata Rudolphi, 1819; Taenia tenuicollis Rudolphi, 1809; Skrjabinogyrus nasicola (Leuckart, 1842); Crenosoma taiga Skrjabin et Petrov, 1928; Capillaria mustellorum Cameron et Parnell, 1932 and C. mucronata (Molin, 1858) are new for Poland.