1. My primary aim in this paper is to set the stage for a discussion of some of the central themes in the so-called "identity" approach to the mind-body problem. I have particularly in mind Herbert Feigl's elaborate statement and defense of this approach in Volume II of the Minnesota Studies. A secondary, but more constructive, purpose is to bring out some of the reasons which incline me to think that the theory is either very exciting but false, or true (...) but relatively uninteresting. (shrink)