the scratches will seem to arrange themselves in a fine series of concentric circles round that little sun.

The natural world may be conceived of as a system of concentric circles, and we now and then detect in nature slight dislocations which apprise us that this surface on which we now stand is not fixed, but sliding.

And still in the distracted distance we beheld the tumults of the outer concentric circles, and saw successive pods of whales, eight or ten in each, swiftly going round and round, like multiplied spans of horses in a ring; and so closely shoulder to shoulder, that a Titanic circus-rider might easily have over-arched the middle ones, and so have gone round on their backs.