959. The most suitable climate for timber trees, when durability is an object, is a dry and rather elevated region. The resinous tribe produces the best timber in cold mountainous regions in every part of the globe. The oak, the elm, the beech, and some other deciduous timber trees, delight in strong soils and moderate temperatures, such as skirt the bottoms of mountains. In general, no species of timber is found to be durable which has been produced in low, moist, warm situations.