Translations and Theories: On the Difference Between Indeterminacy and Underdetermination

Despite Quine's recurrent claims to the contrary, the idea is still widespread that indeterminacy of translation is a special case of underdetermination of theories. In this paper we explain how indeterminacy differs from underdetermination, and in what ways such gifted Quine scholars as Gemes and Bergström went astray.