Translated by G.E. Day.I. On the relation of the volumes of bodies in the solid state to their equivalents or atomic weights, by F.J. Otto.--II. Studies on the connection existing between the atomic weights, crysalline form and density of bodies, by E. Filhol.--III. On the laws, according to which the mixing of fluids and their penetration into permeable substances occur, with special reference to the processes in the human and animal organisation, by J. Vogel.--IV. Upon isomorphism, by F.J. Otto.--V. Physical investigations on dyeing: on the influence that two colours may exercise upon each other when seen simultaneously, by M.E. Chevreul.--VI. On the latent heat of steam at different pressures, by H.V. Regnault.--VII. On the artificial fo...