772. Lead and its Oxides--Litharge--Minium, or Red Lead, 591, 592 773. Sulphide of Lead, 592 774. Sulphate of Lead, 592 775. Acetate of Lead, 592 776. Chloride of Lead--Carbonate of Lead, 592, 593 777. Preparations of Lead used in Medicine, the Arts, &c.--(1) Pharmaceutical--(2) Quack Nostrums--(3) Preparations used in the Arts--Pigments--Hair Dyes--Alloys, 593, 594 778. Statistics of Lead-Poisoning, 594 779. Lead as a Poison--Means by which Lead may be taken into the System, 595, 596 780. Effects of Lead Compounds on Animals, 596, 597 781. Effects of Lead Compounds on Man--Acute Poisoning--Mass Poisoning by Lead--Case of Acute Poisoning by the Carbonate of Lead, 597-599 782. Chronic Poisoning by Lead, 599, 600 783. Effects of Lead on the Nervous System--Lead as a Factor of Insanity 600, 601 784. Amaurosis Caused by Lead-Poisoning--Influence on the Sexual Functions--Caries--Epilepsy, 601-603 785. Uric Acid in the Blood after Lead-Poisoning, 603 786. Influence of Lead on Pregnant Women and on Fœtal Life--The Keighley Case of Poisoning by Water Contaminated by Lead--Case of _Reg._ v. _L. J. Taylor_, 603-605 787. _Post-mortem_ Appearances, 605 788. Physiological Action of Lead, 605, 606 789. Elimination of Lead, 606 790. Fatal Dose, 606, 607 791. Antidotes and Treatment, 607 792. Localisation of Lead, 607, 608 793. Detection and Estimation of Lead, 608, 609 794. Detection of Lead in Tartaric Acid, in Lemonade and Aërated Waters, 609, 610 2. _Copper._