the Thoreau Log. 11 April 1854. Concord, Mass. Thoreau writes in his journal: A.M.—Heard the clear, rather loud and rich warble of a purple finch and saw him on an elm . . .   P.M.—Surveying in Lincoln . . . Evening on river. Fine full moon; river smooth . . . (Journal, 6:193) Log Index Log Pages Select... 1817-1832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862