344. Forfeiture.

It is usual to insert in mining leases a power of re-entry, exercisable not only on non-payment of rent but also on breach of covenant or condition. Sometimes the power is also made exercisable in case the mine is not worked for a specified period1, or in case the lessee becomes bankrupt or makes an arrangement with his creditors, or, being a company, goes into liquidation, receivership or administration. If a lease contains, instead of a power of re-entry, a provision that in certain events the lease is to be void the effect is the same, and the lease,