A strange fire plays about the body of the dragon. This differs from the fire with which we are familiar in that it blazes brightly when brought into contact with water. If, however, terrestrial fire touches the dragon flames, the latter will immediately be extinguished. As long as the dragon has moisture in the form of water or clouds surrounding its body, it retains its marvelous powers of motion and of mutability, but when this moisture dries up, the dragon becomes powerless and dies. It is said that the blood of some dragons is red; of others, black. Rubies are often supposed to be petrified drops of the red variety. We are informed of the remarkable fact that dragons change their bones periodically and as regularly as snakes shed their skins and deer their horns. Dragon bones are supposed to be buried in many high mountains, and their presence has much to do with the determination of fêng-shui. Lofty peaks that are frequently tipped with clouds or enveloped in mist are believed to contain the bones of some great dragon which attract to themselves the moisture of the passing clouds. The saliva of the dragon, we are told, is purple in color, and is considered the most fragrant of all perfumes. It is said to be employed in the manufacture of a very valuable incense. “Dragon’s saliva incense” was formerly sent as a tribute to the emperor by one of the western provinces. One writer expresses a remarkable theory of the dragon’s posthumous state. He says that when they die dragons turn into crabs. Dragons are punished for minor offenses, according to the will of heaven, by having their ears cut off; for greater offenses, by being sent to the earth, where they are exposed to the view of men in a state as if dead. Three things of which dragons are exceedingly fond are bamboo trees, arsenic, and the flesh of swallows. The graceful branches of the bamboo are very pleasing to the eye of the dragon who, when there is no human being in sight, delights to lie under their shade and hear the wind rustling the leaves above. Arsenic, which is to mortal man a deadly poison, is food to the dragon. In fact, it is a favorite article of diet, and dragons grow fat upon it. The delicacy, however, for which the dragon has the greatest fondness, is swallows’ flesh. Woe to the man who ever tries to cross a body of water in a boat after having eaten a dish of roasted swallows, for a peculiar fragrance, which dragons are always able to detect, will cling to his person. The man in the boat will be pursued by one of these animals, who will cause a storm to rise, the boat will be upset, and the unfortunate person precipitated into the water, where he will fall easy prey to the ruler of the sea. Under ordinary conditions the dragon shows no fondness for human flesh, but with such provocation we are told that he should be considered entirely excusable.