I replied, ‘but the images of “ ‘Have patience! Look again! Try!’ “A short silence then followed, when— “ ‘Do you see anything yet?’ “ ‘Yes; but nothing extraordinary. Only a clear spot—an atmospheric-looking aperture in the centre of the glass. Yes! now there comes a change—faint, misty, dusky shadows flit across; but nothing positive or distinct.’ “ ‘Is that all?’ “ ‘It is.’ “ ‘Look again.’ “ ‘Clearly and distinctly I see the fore-quarters of a large greyish-white dog. It grows! Now it is complete! The image stands out, bold and clear, from the mirror!’ “So perfect was this appearance, that I could not