—, datholite, &c. at Kewenaw Point, Lake Superior, C. T. Jackson, xlix, 87.
—, in Connecticut, i, 50, 135; ii, 232; vi, 223.
—, in Massachusetts, i, 114; iii, 364.
—, in New Jersey, ii, 183, 191, 195, 197; v, 239; xl, 69; xliv, 58.
—, in Pennsylvania, x, 220.
Premiums by the French Academy of Sciences, for 1827, xiv, 380, 389.
— — —, for 1831, xxii, 194.
— offered by the Society for the Encouragement of National Industry, France, 1821, 1822, iv, 192.
— — —, for 1832-34, xxii, 359.
—, for Mechanical Arts, iv, 192.