Far example, one curious and very beautiful novelty brought to his notice by the development of this vision would be the existence of other and entirely different colours beyond the limits of the ordinarily visible spectrum, the ultra-red and ultra-violet rays which science has dis- covered by other means being plainly perceptible to astral sight. We must not, however, allow ourselves to follow these fascinating byepaths, but must resume our endeavour to give a general idea of the appearance of the astral plane. It will by this time be obvious th£t though, as above stated, the ordinary objects of the physical world form the background to life on certain levels of th£ astral plane, yet so much more is seen of their real appearance and characteristics that the general effect differs widfclyfrom that with \vhich we are familiar. For the sake of illustration take a rock as an example of the simpler class of objects. When regarded with trained sight it is no mere inert mass of stone. First of all, the whole of the physical matter of the rock is seen instead of a very small part of it; secondly, the vibrations of its physical particlss are perceptible; thirdly, it is seen to possess an astral counterpart