"Then let me press it upon you. It will really supply a large amount of wing-pulp, if properly assimilated. It is a most astonishing thought that we are able, at the remote distance at which we are from the solar orb, to detect the various incandescent metals which go to make up the luminous envelope of the sun. Not only so, but we are able to discover, by the bars in the spectroscope, of what Jupiter, Saturn, and so on are composed. What a stride astronomy has made since the days of Newton!" "No doubt about it. But I do not want to hear about the bars, but of the chalk marks on the Merewigs." "Well, then, I noticed two elderly ladies sitting in the row before me, and there--as distinctly as if sketched in only yesterday--were the symbols I had scribbled on their backs. I did not have an opportunity of speaking with them then; indeed, I had no introduction to them, and could hardly take on me to address them without it. I was, however, more successful a week or two later. There was a meeting of the Hertfordshire Archæological Society organised, to last a week, with excursions to ancient Verulam and to other objects of interest in the county. Hertfordshire is not a large county. It is, in fact, one of the smallest in England, but it yields to none in the points of interest that it contains, apart from the venerable abbey church that has been so fearfully mauled and maltreated by ignorant so-called restoration. One must really hope that the next generation, which will be more enlightened than our own, will undo all the villainous work that has been perpetrated to disfigure it in our own. The local secretaries and managers had arranged for char-à-bancs and brakes to take the party about, and men--learned, or thinking themselves to be learned, on the several antiquities--were to deliver lectures on the spot explanatory of what we saw. On three days there were to be evening gatherings, at which papers would be read. You may conceive that this was a supreme opportunity for storing the mind with information, and knowing what I did, I resolved on taking advantage of it. I entered my name as a subscriber to all the excursions. On the first day we went over the remains of the old Roman city of Verulam, and were shown its plan and walls, and further, the spot where the protomartyr of Britain passed over the stream, and the hill on which he was martyred. Nothing could have been more interesting and more instructive. Among those present were three middle-aged personages of the female sex, all of whom were chalk-marked on the back. One of these marks was somewhat effaced, as though the lady whose gown was scored had made a faint effort to brush it off, but had tired of the attempt and had abandoned it. The other two scorings were quite distinct.