This etext was produced by Charles Franks, Robert Rowe and the Online Distributed Proofreading Team. PREFACE To M. PLACIDE VALCOUR M. D., Ph D., LL. D. MY DEAR DR. VALCOUR: You gave me the Inspiration which made this story haunt me until I wrote it. Gaspard Roussillon’s letter, a mildewed relic of the year 1788,