— — in oil of sweet almonds, xix, 76.

— — —, of olives, xix, 76.

— — in peroxide of manganese, xix, 78.

— — in Peruvian bark, xix, 81.

— — in phosphate of soda, xix, 82.

— — in prussic acid, xix, 70.

— — in soda, xix, 83.

— — in sulphate of magnesia, xix, 84.

— — in sulphate of quinine, xix, 84.

— — in tartrate of potash, xix, 85.