Séguin’s polyoscope, [94].
Sepulchre, marvellous, [5].
Serpents, rods turning into, [x].
Servante, [18].
Shadowgraphy, Trewey’s, [333]–[338].
Shirt trick, Pinetti’s, [29]–[31].
Silent second sight, Svengalis’, [194]–[198].
Slade, Dr., and spirit slates, [xxvi].
Slot machine, antiquity of, [11].