New York: Falstaff Press, 1932. Hardcover. xix, 325p., very good first edition in blue buckram cloth and gilt.
"The greatest work on the sexual instinct in France is L'Instinct sexual: evolution et dissolution, by the distinguished physician and investigator, Féré." - Havelock Ellis. Formerly published as Scientific and esoteric studies in sexual degeneration in mankind and in animals.