Calendar: 1872-1873 Page 577

578 THE 8CH00L For how long time can man live without solid food water air Why should the periods of time differ so much Aid tlie descriptions by drawings when necessary inorganic Cljemtetrn Give complete statement of the composition by volume of sal ammoniac and explain the apparent anomaly observed in the specific gravity of its vapour Under what circumstances does carbonic acid gas assume the liquid form Mention and explain some instructive ex- periments with liquefied carbonic acid Point out and explain the chief difference which is observed in the chemical action of dry and of moist chlorine upon other bodies Give examples Illustrate by referring to the sulphates the most important theories of the constitution of acids and salts How is liquor ammonias prepared Explain the process by an equation and give directions for ascertaining the strength and purity of the product uotann Define the following cell-vessel-lenticel--sting-hair -gland-cuticle-stoma-protoplasm and primordial utricle Describe the internal structure of an acrogenous or acoty- ledonous stem Distinguish between root and stem and define rhizome -tuber-corm-bulb-bulblet-offset-epiphyte and pprasite What do you mean by determinate indeterminate and mixed inflorescences Define spadix-omentum-pannicle- capitulum-cyme and corymb Define the following thalamus-carpophore-gynophore -disk placenta-pericarp-orthotropous-anatropous-sper- moderm and arillus Describe the plants on tbe table marked respectively and in English Give the essential characters of the following natural orders Nymphaeaceae Cruciferae Polygonaceae Scrophu- lariaceae-Composita and Liliaceae