contracts. Bills of lading generally contain an exception that the carrier shall not be liable for perils of the sea. What is the precise import of this phrase is not perhaps very exactly settled. In a ‘strict sense, the words perils of the sea, denote the natural accidents peculiar to the sea; but in more than one instance they have been held to extend to events not attributable to natural causes. For instance, they have been held to include a capture by pirates on the high sea and a case of loss by collision by two ships, where no blame is imputable to either, or at all events not to the injured ship.