When during sleep the astral body is withdrawn from the physical this arrangement still persists, and any one looking at such an astral body with clairvoyant vision would still see, just as before, a form resembling the physical body surrounded by an aura. That form would now be composed only of astral matter, but still the difference in density between it ajid its surrounding mist would be quite sufficient to make it clearly distinguishable, even though it is itself onfy a form of denser mist. Now as to the difference in appearance between the evolved and the unevolved man. Even in the case of the latter the features and shape of the inner form wctuld be recognizable always, though blurred and indistinct,but the surrounding egg would scarcely desefve the name, for it would be in fact a mere shapeless wreath of mist, having neither regularity nor permanence of outline. In the more developed man the change would be very marked, both in the aura and 'the form within it. This latter would be far more distinct and definite—a closer reproduction of the man’s physical appearance ; while instead of the floating mist-wreath we should see a sharply- defined ovoid shape, preserving its