attacking shore-works, must depend on further confirmation of their

asserted invulnerability. It may be that the performance at Kinburn

answered the expectation of the French emperor as regards offensive

power, for that is a mere question of the battering capacity of the

heaviest calibres, which is undoubted; but the main issue, which

concerns their endurance, cannot be settled by the impact of 32-pounder

shot, fired at 600 and 700 yards. Far heavier projectiles will in future

be found on all seaboard fortifications; and the ingenuity of the

artillerist may also be exerted more successfully than at Kinburn.

Still, it is not to be doubted that the floating-battery is a formidable