needed to perforate the Scotia, and the power to pierce a steamer’s hull.

“In essence, the narwhale is armed with a sort of ivory sword, or lance, as certain naturalists have expressed it. It’s a king-sized tooth as hard as steel. Some of these teeth have been found buried in the bodies of baleen whales, which the narwhale attacks with invariable success. Others have been wrenched, not without difficulty, from the undersides of vessels that narwhales have pierced clean through, as a gimlet pierces

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