Vol. 24, No. 3, February 1966. Cover art by Virgil Finlay. STORIES: Under Old Earth [The Instrumentality of Mankind] by Cordwainer Smith; Courting Time by Tom Purdom; The Echo of Wrath by Thomas M. Disch; Where the Changed Ones Go [Blue Fire] by Robert Silverberg; Eye of an Octopus [Known Space] by Larry Niven; In the Imagicon by George H. Smith; Mulligan, Come Home! by Allen Kim Lang; The Age of the Pussyfoot (serial, part 3 of 3) by Frederik Pohl. FEATURES: The Business of Science (editorial essay) by Frederik Pohl; For Your Information: The Wreck of La Lutine (science essay) by Willy Ley; Galaxy Bookshelf by Algis Budrys. INTERIOR ILLUSTRATIONS BY: Virgil Finlay, Jack Gaughan, Wood.