An act to enable Mary Jeffreys, the Wife of Jeffrey Jeffreys, Esquire, a Lunatick, and the Committee or Committees of his Estate for the Time being, to make Leases of the Parts and Shares of the said Mary Jeffreys, of divers Lands, Tenements, and Hereditaments in the County of Devon, devised by the Will of Sir William Morice, deceased, during the Continuance of the said Lunatick's Interest therein.