Being a narrative of an expedition from the Atlantic to the Pacific undertaken with the view of exploring a route across the continent to British Columbia through British Territory, by one of the Northern Passes in the Rocky Mountains.

    This is volume one of a two volume set Every great change of belief has been preceded by a great change in the intellectual condition of Europe, that the success of any opinion depended much less upon the force of its arguments, or upon the ability of its advocates, than upon the predisposition of society to receive it, and that predisposition resulted from the intellectual type of the age.