Page:A Week on the Concord and Merrimack Rivers.djvu/378

372 or, as some will have it, transparency, if we preserve ourselves untarnished, we are able to enlighten our shaded side. At any rate, our darkest grief has that bronze color of the moon eclipsed. There is no ill which may not be dissipated, like the dark, if you let in a stronger light upon it. Shadows, referred to the source of light, are pyramids whose bases are never greater than those of the substances which cast them, but light is a spherical congeries of pyramids, whose very apexes are the sun itself, and hence the system shines with uninterrupted light. But if the light we use is but a paltry and narrow taper, most objects will cast a shadow wider than themselves.

The places where we had stopped or spent the night in our way up the river, had already acquired a slight historical interest for us; for many upward days' voyaging were unravelled in this rapid downward passage. When one landed to stretch his limbs by walking, he soon found himself falling behind his companion, and was obliged to take advantage of the curves, and ford the brooks and ravines in haste, to recover his ground. Already the banks and the distant meadows wore a sober and deepened tinge, for the September air had shorn them of their summer's pride.—

The air was really the "fine element" which the poets describe. It had a finer. and sharper grain, seen against the russet pastures and meadows, than before, as if cleansed of the summer's impurities.

Having passed the New Hampshire line and reached the Horseshoe Interval in Tyngsboro', where there is a