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The effect of acid and alkali can be explained on the assumption of adsorption, making due allowance for concentration and chemical change.. Briggs' results as to temperature effects with water have been confirmed with non-aqueous solvents.6. The valence rule does not hold with the non-aqueous solvents studied.7. The order of adsorption of ions and their relative adsorption varies with the solvent employed.8. The concentration curve exhibits a maximum with non-aqueous solvents and the flow at low concentration is in the same direction as that of the pure solvent. 9. The addition of water to non-aqueous solutions changes the endosmose in the direction it would manifest in pure water, the first additions showing the greatest effects.10. The direction of endosmose (as here measured) is not determined by the dielectric constant ratio, although this probably does measure the magnitude of flow.11. The Hofmeister series is not consistent when considering endosmotic effects in non-aqueous solvents.

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