Lee, C. A., sketch of the geology and mineralogy of Salisbury, Ct., viii, 252.
—, notice of the Ancram lead mine, viii, 247.
Leech, account of, x, 389; xxiv, 160.
Leeches, mortality of, during storms, xvii, 186.
Leedom, E. C., an astronomical machine, xlii, 338.f
Leghorn hats, on the cultivation of the material for, xxii, 363.
Leguminous fruits, flour or meal from, vii, 189.
Leibnitz, G. W. von, notice of life of, xlix, 187.
—, Protogæa of, or his views on the formation of the earth, xx, 56; xxxix, 15.