Colonel B----, the engineer of the mill-dam, is now here, after about a fortnight's absence. He is a plain country squire, with a good figure, but with rather a ponderous brow; a rough complexion; a gait stiff, and a general rigidity of manner, something like that of a schoolmaster. He originated in a country town, and is a self-educated man. As he walked down the gravel path to-day, after dinner, he took up a scythe, which one of the mowers had left on the sward, and began to mow, with quite a scientific swing. On the coming of the mower, he laid it down, perhaps a little ashamed of his amusement. I was interested in this; to see a man, after twenty-five years of scientific occupation, thus trying whether his arms retained their strength and skill for the labors of his youth,--mindful of the day when he wore striped trousers, and toiled in his shirt-sleeves,--and now tasting again, for pastime, this drudgery beneath a fervid sun. He stood awhile, looking at the workmen, and then went to oversee the laborers at the mill-dam. * * * * * _Monday, July 24th._--I bathed in the river on Thursday evening, and in the brook at the old dam on Saturday and Sunday,--the former time at noon. The aspect of the solitude at noon was peculiarly impressive, there being a cloudless sunshine, no wind, no rustling of the forest-leaves, no waving of the boughs, no noise but the brawling and babbling of the stream, making its way among the stones, and pouring in a little cataract round one side of the mouldering dam. Looking up the brook, there was a long vista,--now ripples, now smooth and glassy spaces, now large rocks, almost blocking up the channel; while the trees stood upon either side, mostly straight, but here and there a branch thrusting itself out irregularly, and one tree, a pine, leaning over,--not bending,--but leaning at an angle over the brook, rough and ragged; birches, alders; the tallest of all the trees an old, dead, leafless pine, rising white and lonely, though closely surrounded by others. Along the brook, now the grass and herbage extended close to the water; now a small, sandy beach. The wall of rock before described, looking as if it had been hewn, but with irregular strokes of the workman, doing his job by rough and ponderous strength,--now chancing to hew it away smoothly and cleanly, now carelessly smiting, and making gaps, or piling on the slabs of rock, so as to leave vacant spaces. In the interstices grow brake and broad-leaved forest grass. The trees that spring from the top of this wall have their roots pressing close to the rock, so that there is no soil between; they cling powerfully, and grasp the crag tightly with their knotty fingers. The trees on both sides are so thick, that the sight and the thoughts are almost immediately lost among confused stems, branches, and clustering green leaves,--a narrow strip of bright blue sky above, the sunshine falling lustrously down,