Ever since man perceived that the solar system is a cohort of planets revolving around a central sun, at different distances but in the same direction and in almost the same plane, he has wondered how ...

A year ago last winter, Prof. Guyot deliver-ed a course of lectures in this city, purporting to be at the request of a number of orthodox ministers and others, in which he inculcated the nebular ...

THE literature of geology has grown so immense that no man can be familiar with all of it, particularly when it refers to another continent than one's own, yet it comes as a surprise to a Canadian to ...

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