distance of a greater number of fixed stars. Put your helm hard

down and shout 'Hard-a-lee!' You see, there is nothing simpler.

You keep her off now, and six months hence you let her luff."

"That's an idea!" said Bearwarden. "Our orbit could be enough

like that of a comet to cross the orbits of both Venus and Mars;

and the climatic extremes would not be inconvenient. The whole

earth being simultaneously warmed or cooled, there would be no

equinoctials or storms resulting from changes on one part of the