determinant of sense-feelings, [82];

as basis of temporal perceptions, [122] ff.;

duration of attention, [104] f.;

of mood, [227], [255].

Ear, organ of hearing, [51] ff., [55] f.;

of equilibrium, [56].

Effort, sensation of, [46].

Elements, mental, [15] f., [18], [90], [117];

sensations, [65];

simple images, [78];