—, — —, ibid, for 1819; iii, 273.
—, on snow crystals, ii, 339.
—, minerals of Plainfield, v, 270.
—, catalogue of minerals, vi, 246; vii, 58, 252; viii, 233; x, 18.
—, notice of a rocking stone, ix, 27.f
—, on the American Antiquarian Society, xviii, 136.
—, on the garden of Fromont, xx, 83.
—, Roxbury rocking stone, vii, 59.f
Porter, R. K., travels in Persia, xxxvii, 347.
Porter, T. D., contributions to the Geological Society, ii, 143.