—, a new fluid in minerals, vii, 186.
—, new structure in the diamond, xxxiv, 37.
—, monochromatic lamp, vii, 363.
—, double refraction resulting from pressure, xxi, 296.
—, cause of double refraction in crystals, xxi, 299.
—, on the polarization of light by reflection, xxii, 277.f
—, on the action of second surfaces of transparent plates upon light, xxiii, 28.f
—, laws of the polarization of light by refraction, xxiii, 225.f
—, a new properly of light, xxxiv, 20.
—, a new kind of polarity in homogeneous light, xxxv, 292.