Calendar: 1866-1867 Page 276

276 EVBNING CLASSES XV Interference of Light Colours of thin plates New- ton's Rings Diffraction Coloured fringes Double Refraction by Iceland Spar and other Crystals XVI Polarization of Light by reflection by refraction and by passing through Crystals Plane and Circular Polarization Polarization by Liquids Effects of heat and pressure in changing the plane of Pola- rization Interference of Polarized Light XXI SPANISH Days and Hours of Attendance-Tuesday and Friday from to and from to or both hours on both nights by additional payment Lower Division Reading and correction of Exercises Grammar Spanish Reading Gil Bias Writing Spanish Dialogues from Dictation Upper Division Translation from Don Quixote by Charles Jarvis Esq into Spanish Writing Commercial Letters from Dictation Spanish Conversation Reading Gil Bias books recommended Trozos Escojidos de 10s mejores hablistas en Prosa Verso por Ochoa Estudios Filologicos par de Morentin McHenry's Grammar and Exercises Neuman and Baretti's Dictionary XXII -PORTUGUESE Days and Hours of Attendance-Monday and Thursday from to Reading and correcting exercises Writing Portuguese from dictation