It was found when using the Shepherd method of making solid amalgams that increasing the current applied to a given cathode area and allowing adequate time, accelerates otherwise sluggish electro endosmotic effect with the porous cups and electrolyesused. The observations of G. McP. Smith and Bennett on the electro preparation of solid alkali amalgams were substantially confirmed in the cases tried, namely with potassium, barium, strontium and calcium. The use of low temperatures and

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... electrolytes made no improvement over earlier efforts to produce solid calcium amalgam electrolytically. The Shepherd Method of Making Solid Amalgams.-Shepherdl suggested an improved method of making solid amalgam by electrolysis. He supported a porous cup containing the mercury as cathode, so that the cup was submerged but slightly in the anolyte and used less than 8 volts. It had been noticed in previous work with this method2 that electro endosmosis developed; in fact this was a difficulty in that method which 1