10 FEBRUARY 1923, Page 41

NUMBER 87. By Harrington Hest. (Thornton Butter- worth. Gs. net.)—Those

who like the pseudo-scientific " shocker " will find this story exciting after the first fifty pages or so. The title refers to a new element which the discoverer misuses in the effort to execute justice, as he conceives it, on prominent men. The pretentious scientific jargon will probably repel many readers.