Lista preliminar dos anfíbios da Estação Ecológica do Taim, Rio Grande do Sul, BrasilOut of the 67 species of amphibians known from Rio Grande do Sul, 18 were collected at the Estação Ecológica do Taim, in the southeastern part of that State. The Leptodactylidae are the most diversified ir the area, whereas the Hylidae were the most numerous in individuais