Thoreau writes in his journal:
Potentilla argata abundantly out. Partridges big as quails. At Clamshell I found three arrowheads and a Small Indian chisel for my guests. Rogers determined the rate of the boat’s progress by observing by his second-hand how long the boat was going its length past a pad . . .
There came out this morning, apparently from one of those hard stem-wound cocoons on a black birch in my window, a moth whose wings are spread four and a quarter inches, and it is about an inch and three quarters long. It is black, wings and body, with two short, broad feathery antennae. The wings all have a clay-colored border behind . . .