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22 within two days. The redstart was flying about, and presently the fine grosbeaks, whose brilliant scarlet makes the rash gazer wipe his eye, and whose fine clear note Thoreau compared to that of a tanager which has got rid of its hoarseness. Presently he heard a note which he called that of the night-warbler, a bird he had never identified, had been in search of twelve years, which always, when he saw it, was in the act of diving down into a tree or bush, and which it was vain to seek; the only bird that sings indifferently by night and by day. I told him he must beware of finding and booking it, lest life should have nothing more to show him. He said, "What you seek in vain for, half your life, one day you come full upon all the family at dinner. You seek it like a dream, and as soon as you find it you become its prey."

His interest in the flower or the bird lay very deep in his mind, was connected with Nature,—and the meaning of Nature was never attempted to be defined by him. He would not offer a memoir of his observations to the Natural History Society. "Why should I? To detach the description from its connections in my mind would make it no longer true or valuable to me: and they do not wish what belongs to it." His power of observation seemed to indicate additional senses. He saw as with microscope, heard as with ear-trumpet, and his memory was a photographic register of all he saw and heard. And yet none knew better than he that it is not the fact that imports, but the impression or effect of the fact on your mind. Every fact lay in glory in his mind, a type of the order and beauty of the whole.