277 Tenements were not confined to corporeal property and included certain incorporeal interests. In the case of Earl of Beauchamp v Winn, there was a grant from the Duchy of Cornwall, dated 27 March 1799, in respect of, inter alia, a 'warren of conies' (conies being a European rabbit valuable at the time for its pelt). The land had originally been used as a rabbit warren, but was subsequently found to have valuable minerals located beneath its surface. In a dispute between a successor in title of the grant and a third party, the question was whether the grant of 27 March 1799 was, on its proper construction, for a grant of the land, including the soil and minerals underneath the soil, or in effect 'a franchise', ie a right of breeding and killing rabbits within the limits of the warren (236). One of the arguments raised in support of the former construction was to the effect that the grant was pursuant to a statute which empowered, inter alia, the sale of 'messuages, lands, tenements' and that those words, in effect, conveyed the notion of corporeal interests. Lord Chelmsford said (241 - 242):