—, notice of freshwater formations, vi, 381.
—, notice of an error in J. Finch's paper on the Celtic antiquities of America, viii, 200.
—, on lightning rods, ix, 331.
—, geological lectures of, ix, 397; xii, 399.
—, on the fossil mastodon, xi, 246; xii, 380.
—, new Vesuvian minerals, xi, 250.f
—, natural history of Orange Co., N. Y., xiii, 224.
—, fossil tooth of an elephant, xiv, 31.
—, on a larva, supposed to have passed from the bladder, xiii, 229.
—, temperature of the cities of Rome (Italy) and New York, xiii, 120.