the Thoreau Log. 22 September 1855. Concord, Mass. Thoreau writes in his journal: Many tortoise-scales about the river now . . . (Journal, 7:457). Log Index Log Pages Select... 1817-1832183318341835183618371838183918401841184218431844184518461847184818491850185118521853185418551856185718581859186018611862