The Unmanifest, Greatness, Consciousness and the five subtile elements of Earth, Wind, Ether, water, and Light, these eight are known by the name of Nature. Listen now to the enumeration of those called changes. They are the ear, the skin, the eye, the tongue' and the nose; and sound, touch, form, taste, and scent, as also speech, the two arins, the two feet, the lower duct (within the body), and the organ of pleasure.