—, —, new discoveries in, xxiv, 78.f
—, —, cause of currents in, xxvi, 23.f
—, solidification of raw gypsum, xxiii, 209.
—, a mode of producing sparks and galvanic currents from the horse-shoe magnet, xxiv, 78.f
Emmonite, supposed new mineral, T. Thomson, xxxi, 171.
Emmons, E., birds of spring, time of appearance in Williamstown, Mass., 1831-33, xxvi, 208.
—, circulation in vegetables, xxvi, 99.
—, granitic veins and beds of Chester, Mass., viii, 250.
—, Grevilleanum serratum, a new species of moss, xi, 183.f
—, metamorphic changes by artificial heat, in sandstone, xlv, 146.