„ on the pre-nebular condition of matter, [87]

„ on vortex atoms, [88]

Logarithmic law of atomic weights, [100]

Lyell, Sir Charles, on denudation of the Mississippi basin, [44]

Macvicar, Dr., on ethereal origin of matter, [87]

Matter not probably eternal, [112]

Mendelejeff, Prof., on Periodic Law, [96]

Meteorites, number greatly exaggerated, [103]

„ probable origin of, [12]

„ Sir H. Roscoe on constitution of, [12]