but let us stop there,' many said. Before we had gone far,

however, we found it would be best to make the work complete.

This will reclaim and make productive the vast areas of Siberia

and the northern part of this continent, and will do much for the

antarctic regions; but there will still be change in temperature;

a wind blowing towards the equator will always be colder than one

blowing from it, while the slight eccentricity of the orbit will

supply enough change to awaken recollections of seasons in our