Democritus, [8], [181].

Derham, William, [51], [123], [191].

Desbarreaux, Jacques Vallée, [53], [124], [193].

Descartes, René, [13], [17], [18], [40], [51], [72], [78], [85], [90], [111], [123], [142], [146], [153], [155], [165]–166, [179], [180], [181], [183], [194], [196], [198], [199], [200], [203], [204], [205].

Dettingen, [5], [176].

“Dialogues between Hylas and Philonous,” by Berkeley, [200].

“Dialogues des morts,” by Fénelon, [190].

“Dialogues des morts,” by Fontenelle, [27], [184].

“Diatribe du Docteur Akakia,” by Voltaire, [182].

“Dictionary of Philosophy and Psychology,” ed. by Baldwin, [181], [187], [207].