Calendar: 1872-1873 Page 298

EVENING CLASSES 29 planting Trees &c -Distribution of Fluid Matters through the Plant or Circulation Functions of Leaves Exhalation or Transpiration Its Influence in Nature-Practical Applications arising from knowledge of this Process Mespiration Importance of in preserving the Composition of the Atmosphere and Water- Growth of Plants in Bedrooms-Wardian Cases and the important purposes to which they may be applied Assi- milation Development Secretion Application of knowledge of the above functions in growing Timber Trees Fruits and Vegetables II Functions of the Reproductive Organs -Functions of the Calyx and Corolla-Fertilization-Hybridization-Ger mination-Vitality and Dispersion of Seeds BOOK RECOMMENDED Bentley's Manual of Botany 23 EXPERIMENTAL PHYSICS Day and Hour of Attendance-Wednesday from to The Course for 1872-73 will treat of Sound and Light Production of Sound by the Vibrations of Bodies The Tuning-fork Theory of Vibrations Longi- tudinal and Transverse Vibrations Harmonicons II Propagation of Sound by Waves of Air and other Elastic Media Vibrations in Tubes Velocity of Sound Reflection of Sound Transmission by Solids and Liquids Communication of Vibrations III Relation between the Rate of Vibration and the Pitch of Sound The Siren Vibrations of Strings Harmonic Division of Strings The Monochord Stringed Instruments