Note 146 — Chapter II
Reading edition
Prof. Winchell remarks: “The very general interest that is being excited in this country in the problems that invest the history of the drift is my only excuse for calling your attention to the prevalence of vegetable remains in the Drift of the North-west, and to the wide divergence of high authorities on the relative position of those remains in respect to the boulder clay.”—See Proceedings, p. 56, Am. Ass. for Adv. Sci., 1875, 24th Meeting.