and twilight woods which no day illustrates, suggesting a vast and undeveloped nature which men have not recognized. They represent the stark twilight and unsatisfied thoughts which all have. All day the sun has shone on the surface of some savage swamp, where the single spruce stands hung with usnea lichens, and small hawks circulate above, and the chickadee lisps amid the evergreens, and the partridge and rabbit skulk beneath; but now a more dismal and fitting day dawns, and a different race of creatures awakes to express the meaning of Nature there.
Late in the evening I heard the distant rumbling of wagons over bridges -- a sound heard farther than almost any other at night -- the baying of dogs, and sometimes again the lowing of some disconsolate cow in a distant barn-yard. In the mean-while all the shore rang with the trump of bullfrogs, the sturdy spirits of ancient wine-bibbers and wassailers, still unrepentant, trying to sing a catch in their Stygian lake -- if the Walden nymphs will pardon the comparison, for though there are almost no weeds, there are frogs there -- who would fain keep up the hilarious rules of their old festal tables, though
