Their attention can be attracted by certain magical evocations, but the only human will which pan dominate theirs’ is T*hat of a certain high class of Adepts. t As a rule they seem scarcely,ponscious of us on our physical plane, but it does now and then happen that one of them becomes aware of some human difficulty which excites his pity, and he perhaps renders some assistance, just as any of us would try to help an anirqal that we saw in trouble. But it is well understood among them that any interference in human affairs at the present stage is likely to do far more harm than good. Above the Arupadevas there are four other great divisions' and again, above and beyond the deva kingdom altogether, stand the great hosts of the Planetary Spirits, but the consideration of such glorified beings would be out of place in an essay on the astral plane. Though we cannot claim them as belonging exactly to any of our classes, this is perhaps the best place in which to mention those wonderful and important beings, the four Devarfijas. In this name the word deva must not, however, be taken in the sense in which we have been using it, for it is not over the deva kingdom but over the four "elements” of earth, water, air, and fire, with their indwelling nature-spirits and essences, that these four Kings rule. What the evolution has been through \thich they rose to their present height of power and wisdom