Calendar: 1884-1885 Page 359

evening classes 353 Chlorine Bromine and Iodine Commonly called Halogens or Salt-producers-Liquefaction of Gases-Com- pounds with drogen-Molecules and Atoms-Bleaching Relative Chemical Activity of these Elements Fluorine -Glass Etching with Hvdro-iluoric Acid diads Oxygen -The Atmosphere-Combustion-Allotropy Ozone and Oxygen-Water in the solid liquid and gaseous states-Specific and Latent Heat-Natural Waters and their Impurities- Of Hydrates Hydrogen Peroxide Oxygen compounds of the Halogens-Oxides Sulphur -Octahedral Prismatic and Plastic varieties Electro-positive and Electro-negative kinds-Sulphides and Polysulphides-Sulphurous Acid-Manufacture of Sulphuric Acid-Sulphites and Sulphates Selenium Tellurium triads Nitrogen -Ammonia-Dissociation-Ammonium theory The crystalline Ammoniates-The Chlorides and Iodides of Nitroiren-The Oxides of Nitrogen-The Nitrogen Acids Nitrites and Nitrates Phosphorus Arsenic and Antimony -The Hydrides Chlorides Oxides and Sulphides The three Phosphoric Acids The effect of these elements on Alloys Phos- phates Bismuth -Passage from the non-metallic to the metallic elements Boron -Boracic Acid &c tetrads Carbon -Charcoal Graphite and Diamond-Coal Coke Anthracite and Lignite-Absorption of Gases by Charcoal The Chemistry of Carbon Compounds or Organic Chemistry ζ