—, —, in New York, xxiii, 206.

—, —, see [Wells, artesian.]

— of cities, contaminated, xxvi, 294.

—, for the city of Boston, notice of L. Baldwin's report on the introduction of, xxxi, 179.

—, — — Glasgow, iii, 372.

—, color of deep, X. de Maistre, xxvi, 65.

—, compressibility of, J. Perkins, iii, 347.f

—, —, H. C. Œrsted, ix, 189; xv, 186.

—, —, xiii, 189.

—, —, instrument for measuring, vii, 195.