With these certain proofs of the recent residence of the ocean over all the lower parts of Chili, the outline of every view and the form of each valley possesses a high interest.

Has the action of running water or the sea formed this deep ravine?
was a question which often arose in my mind and generally was answered by finding a bed of recent shells at the bottom.

I have not sufficient arguments, but I do not believe that more than a small fraction of the height of the Andes has been formed within the Tertiary period.

The conclusion of my excursion was very unfortunate, I became unwell and could hardly reach this place.

I have been in bed for the last month, but am now rapidly getting well.