Séguin’s polyoscope, [94].

Sepulchre, marvellous, [5].

Serpents, rods turning into, [x].

Servante, [18].

Shadowgraphy, Trewey’s, [333][338].

“She,” illusion, [327][328].

Shirt trick, Pinetti’s, [29][31].

Silent second sight, Svengalis’, [194][198].

Slade, Dr., and spirit slates, [xxvi].

Slot machine, antiquity of, [11].