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[BETTER GO ROUND THAN FALL INTO THE DITCH.] 2352. Cave Effect. When a Cave is constructed in the above manner, on a large scale, and the interior sprinkled with powdered fluor-spar or glass, the effect is very good by candle-light. 2353. Stalactites. Stalactites may be represented by rough pieces of wood, which must be smeared with glue, and sprinkled with powdered fluor-spar, or glass. 2354. To Model Caves in Cork. Construct the framework of wood, and fill up the outline with old bottle-corks. The various projections, recesses, and other minutiae, must be affixed afterwards with glue, after being formed of cork, or hollowed out in the necessary parts, either by burning with a hot wire and scraping it afterwards, or by means of a sharp-pointed bradawl. 2355. Small Trees. If small cork models are constructed, the trees should be formed by transfixing short pieces of shaded chenille with a fine wire (.), and sticking them into the cork. 2356. Decoration. Various parts of the model must be touched up with oil, water, or varnish colours; and powdered brick, slate, and chopped lichen, or moss, dusted on as usual. 2357. Wooden Models. Wooden models are constructed roughly in deal, according to the proper design, and the various fine parts afterwards affixed with glue or brads. 2358. Finer Work in Wood. In forming the finer parts of the wooden model, a vast amount of unnecessary labour may be saved, and a better effect obtained, by burning much of the outline, instead of carving it. By this plan, deeper tones of colouring, facility of operating, and saving of time and labour, are the result.