Calendar: 1887-1888 Page 716

720 CLOTH WORKERS' SCIENCE EXHIBITIONS Describe the circulatory and respiratory apparatus of the fresh-water Mussel Compare the functions of the central nervous system of the Frog with those of the Crayfish Compare the heart of Frog with that of Bird and that of Mammal IX -pineralogj What is the peculiarity of the cubic system Describe the action and use of the blowpipe How can the specific gravity of mineral be deter- mined Define vilreous metallic and silky lustre Give brief account of the Garnets Name the various coloured varieties of Quartz What the chief ores of Copper State the chemical composition of Deucite Calcite and Orthoclase Mention three minerals possessing magnetic properties 10 Distinguish Talc from Mica -ecology Of what materials does the crust of the earth consist Why does rain disintegrate limestone rocks more easily than those of basalt Account for the presence of projecting headlands and retreating bays on every coast line Define the terms 'marl conglomerate dip י and 1false bedding Trace the introduction of life-forms upon the earth Name the characteristic fossils of the Upper Chalk and Lower Greensand Compare Orthoceras and ceratites with baculites and ammonites and give their range in time