P. M. - Perhaps the warmest day yet. True Indian summer. The walker perspires. The shepherd’s-purse is in full bloom; the andromeda not turned red. Saw a pile of snow-fleas in a rut in the wood-path, six or seven inches long and three quarters of an inch high, to the eye exactly like powder, as if a sportsman had spilled it from his flask; and when a stick was passed through the living and skipping mass, each side of the furrow preserved its edge as in powder.