80 THE EARTH’S NORTH POLE. almost, and wherever he was, that nee- dle would know in which direction the north pole was, and always turn toward it, as if it wanted to go there, when it comes near the pole, it turns toward it no longer. And here I ought to tell you—what, perhaps, you never heard before—that the magnetic pole of the earth and the north pole (so called in geography) are not one and the same. The point to which the needle turns is not the north pole exactly, though many people suppose it to be. It isa point some degrees from the north pole. More than twenty years ago, there