Desire World, archangels native to, [79];

dead remain in, varying lengths of time, [78];

difficulty of concentration in, [91];

diversity of tongues in, [83];

effect of colors in, [178];

ego's corrective work in, [168-170];

estimation of time in, [93];

existence of, makes man's desires possible, [57];

force and matter closely related in, [77];