This etext was produced from _Amazing Stories_ April 1956 and was first published in _Amazing Stories_ January 1930. Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed. Minor spelling and typographical errors have been corrected without note. Subscript characters are shown within {braces}. End of Project Gutenberg's The Sword and the Atopen, by Taylor H. Greenfield