He was the only survivor of an ancient Ulster County family, and was fifty-three years old at the time of his disappearance.Mr. Typer was educated privately and at Columbia and Heidelberg Universities. All his life was spent as a student; the field of his researches including many obscure and generally feared borderlands of human knowledge. His papers on vampirism, ghouls, and poltergeist phenomena were privately printed after rejection by many publishers. He resigned from the Society for Psychical Research in 1902 after a series of peculiarly bitter controversies.At various times Mr. Typer travelled extensively, sometimes dropping out of sight for long periods. He is known to have visited obscure spots in Nepal, India, Thibet, and Indo-China, and passed most of the year 1899 on mysterious Easter Island. The extensive search for Mr. Typer after his disappearance yielded no results, and his estate was divided among distant cousins in New York City.The diary herewith presented was allegedly found in the ruins of a large country house near Attica, N.Y., which had borne a curiously sinister reputation for generations before its collapse.