The case of Mr. John Ferguson, [electronic resource] : of Argyleshire in Scotland, who Hath lived above Eighteen Years only on Water, Whey, or Barley-Water; together With Observations thereon: Wherein are laid down The Possibility of the Truth of the said case, attested to the Royal Society, on Thursday the 9th Day of December 1742. Supported By Cases of the like Nature from Authors; Reasons why such slender Diet hath been able so long to support Life. With Some Curative Intentions and Remedies for this Person's recovering his pristine State of Health. By Thomas Umfreville, M.D.