Calendar: 1881-1882 Page 345

346 evening classes the Plant and their Alteration in the Leaves Influence Nature-Practical Applications arising from knowledge ο these changes Respiration and Assimilation Importance of in preserving the Composition of the Atmosphere anc Water-Wardian Cases and the important purposes tc which they may be applied II Functions of the Reproductive Organs -Functions ο the Calyx and Corolla-Fertilization-Hybridization-Ger mination-Vitality and Dispersion of Seeds book recommended נ Bentley's Manual of Botany Fourth Edition 22 EXPERIMENTAL PHYSICS Day and Hour of Attendance-Wednesday from to The Course for 1881-82 wall treat of Magnetism Dyna- mical Electricity and the Scientific Principles of Telegraphy and Electric Lighting -The Natural Magnet or Loadstone Artificial Mag- nets Polarity Action of Opposite Poles on one another Magnetic Induction II -Terrestrial Magnetism Magnetic Declination and Dip and their Variations Magnetic Intensity III -Law of Magnetic Attractions and Repulsions Dis- tribution of Magnetism in Magnets Methods of making Artificial Magnets Effect of Heat on Magnets Armatures IV -Electro-motive Force Experiments of Galvani and Volta The Voltaic Pile Dry Piles Production of Electricity by Heat Thermo-Electric Piles -Voltaic Batteries Wollaston's Battery Circuits with one Metal and two Liquids Weakening of the Current Secondary Currents Tension of Current