Robert, E., visit to Iceland, xxxi, 167; xxxii, 196.
Robertson, E., on aerostation, xiv, 166, 325.
—, gold medal of the Geographical Society awarded to, xliii, 404.
Robinson, S., catalogue of minerals of, noticed, viii, 200; ix, 396.
—, localities of minerals, viii, 230.
—, notice of minerals, x, 225.
—, cabinet of minerals of, xiii, 199.
Robison, I., on the rising of the coast of Chili, in 1822, xxx, 110.
Robison, J., perfection of the art of photography, xxxvii, 183.
—, substitute for barometer, xxxv, 294.