707. Metallic Arsenic; its Chemical and Physical Properties, 524 708. Arsenious Anhydride--Arsenious Acid; its Properties and Solubility, 524, 525 709. Arseniuretted Hydrogen (Arsine), 525-527 710. Arseniuretted Hydrogen in the Arts, &c, 527 711. The Effects of Arseniuretted Hydrogen on Man--Illustrative Cases, 527, 528 712. The Sulphides of Arsenic, 528, 529 713. Orpiment, or Arsenic Trisulphide, 529 714. Haloid Arsenical Compounds--Chloride of Arsenic--Iodide of Arsenic, 529 715. Arsenic in the Arts, 529, 530 716. Pharmaceutical Preparations of Arsenic--Veterinary Arsenical Medicines--Rat and Fly Poisons--Quack Nostrums--Pigments-- External Application of Arsenic for Sheep--Arsenical Soaps-- Arsenical Compounds used in Pyrotechny, 530-534 717. Statistics of Poisoning by Arsenic, 534 718. Law Relative to the Sale of Arsenic, 535 719. Dose of Arsenic, 535 720. Effects of Arsenious Acid on Plants, 535, 536 721. Effects of Arsenic upon Life--Animalcules--Annelids--Birds-- Mammals, 536-538 722. Effects of Arsenious Acid on Man--Arsenic Eaters, 538, 539 723. Manner of Introduction of Arsenic, 539 724. Cases of Poisoning by the External Application of Arsenic, 539-541 725. Arsenic in Wall-Papers, 541, 542 726. Forms of Arsenical Poisoning--Acute Form, 542 727. Subacute Form--Case of the Duc de Praslin, 543 728. Nervous Form--Brodie’s Experiments on Rabbits--A “Mass” Poisoning reported by Dr. Coqueret, 544, 545 729. Absence of Symptoms, 545, 546 730. Slow Poisoning, 546 731. The Maybrick Case, 546-548 732. Post-mortem Appearances met with in Animals after Arsenical Poisoning--The Researches of Hugo, 548, 549 733. Post-mortem Appearances in Man--Illustrative Pathological Preparations in Various Museums, 549-551 734. Pathological Changes induced in the Gullet and Stomach--Fatty Degeneration of the Liver and Kidneys--Glossitis--Retardation of Putrefaction, 551, 552 735. Physiological Action of Arsenic, 552, 553 736.