Detection of adulterations in alcohol, xix, 71.

— — in ammonia, xix, 72.

— — in arrow root, xix, 72.

— — in calomel, xix, 72.

— — in castor oil, xix, 77.

— — in chromate of lead, xix, 73.

— — in copaiva, xix, 73.

— — in iodide of potassium, xix, 74.

— — in lemon juice, xix, 75.

— — in morphine, xix, 75.