ultimate, [110]; its contradictions, [16].

Physiology, its prestige, [112].

Piper, Mrs., [314], [319].

Plato, [268]

Pluralism, vi, [151], [178], [192], [264], [267].

Positivism, [54], [108]

Possibilities, [151], [181-2], [292], [294].

Postulates, [91-2].

Powers, our powers as congruous with the world, [86].

Providence, [180].