Thoreau writes in his journal:
The white cedar gathered the 23d does not shed pollen in house till to-day, and I doubt if it will in swamp before to-morrow. Monroe’s larch will, apparently, by day after to-morrow . . .
The tapping of a woodpecker is made a more remarkable and emphatic sound by the hollowness of the trunk, the expanse of water which conducts the sound, and the morning hour at which I commonly hear it . . .