Before proceeding to consider them it is necessary, in order to avoid the charge of incompleteness, to mention that in this branch of the subject two reservations have been made. First, no reference is made to the occasional appearances of very high Adepts from other plapets of the solar system and of even more august Visitors from a still greater distance, sin'ce such matters cannot fitly be descsfoed in an essay fir general reading ; and besides it is practically inconceivable, though of course theoretically possible, that, such glorified Beings should ever need to manifest them- * selves on a plane so low a*; the astral. I f for any reason they should wish to do so, the body appropriate to. the plane , would be temporarily created out of a^ral matter belonging to this planet, just as in the case of the Nirmanakaya. Secondly, quite outside of and entirely unconnected with the four classes into which we are dividing this section, there are two other great evolutions which at present share the use of