Calendar: 1872-1873 Page 301

300 EVENING CLASSES Minerals used in Jewelry -Diamond coloured varieties of Corundum Sapphire Ruby Topaz-called Oriental stones Spinel Turquoise Topaz Emerald Beryl Hyacinth Tourma- line Lapis-lazuli &c The Metalliferous Minerals will be fully described in the Practical Course during Easter Term The Course will include minute description of all the substances entering into the composition of Rocks and of those minerals which are also used in the Arts illustrated by an extensive collection of characteristic specimens and diagrams of the principal crystalline forms &c 25 GEOLOGY Bay and Hour of Attendance-Monday from to The entire Course Winter and Summer will consist of about Thirty Lectures Winter Session In the Michaelmas Term will be described the various agencies at present in operation which elucidate the formation of the Rock Masses The Earth's general contour the distribution of Forest and Desert Regions Rain and River Action Atmospheric Influences Oceanic Deposits Volcanoes Glaciers Earthquakes the Rise of Mountain Chains and the Coral Islands &c will be explained In the Lent Term technical words bearing on the subject will be defined the theories of geological time and palaeonto- logical evidence will be discussed and the 3trata compre- hended in he Palaeozoic Period treated of Summer Session In the Easter Term the Mesozoic and Caenozoic Periods will be examined and the characteristic fossils of each of the formations as well as their analogies with recent types will be noted During the Course there will be two or more Field Lectures in the neighbourhood of London on Saturday afternoons