320. Rents and royalties.

320.     Rents and royalties.

An agreement for a lease usually contains stipulations as to the dead rents1 and other rents and royalties to be reserved by, and the covenants and provisions to be inserted in, the lease, but the omission to provide for the payment of a dead rent does not render the agreement so inequitable as to be unenforceable2.

Rent and royalties are true rents in the sense that they are incident to the reversion3, but periodical payments under a lease of mines for a specific period may amount to personal debts only