P.M.—Walden and Cliffs.

  I see by the railroad causeway young barn swallows on the fences learning to fly . . .

  Lysimachia stricta, perhaps yesterday, at Lincoln bound, Walden. After one or two cold and rainy days the air is now clearer at last. From the Cliffs the air is beautifully clear, showing the glossy and light-reflecting greenness of the woods. It is a great relief to look into the horizon . There is more room under the heavens . . .