When Ian was at home in the university-vacations, they were fonder than ever of going to the hill. There Ian would pour out to Alister of the fullness of his gathered knowledge, and there and then they made their first acquaintance with Shakspere. Ian had bought some dozen of his plays, in smallest compass and cleanest type, at a penny a piece, and how they revelled in them the long summer evenings! Ian had bought also, in a small thick volume, the poems of Shelley: these gave them not only large delight, but much to talk about, for they were quite capable of encountering his vague philosophy. Then they had their Euclid and Virgil--and even tried their mental teeth upon Dante, but found the Commedia without notes too hard a nut for them. Every fresh spring, Ian brought with him fresh books, and these they read in their cave. But I must not forget the cave itself, which also shared in the progress of its troglodytes. The same week in which they first ate and read in it, they conceived and began to embody the idea of developing the hollow into a house. Foraging long ago in their father's library for mental pabulum, they had come upon Belzoni's quarto, and had read, with the avidity of imaginative boys, the tale of his discoveries, taking especial delight in his explorations of the tombs of the kings in the rocks of Beban el Malook: these it was that now suggested excavation. They found serviceable tools about the place at home, and the rock was not quite of the hardest. Not a summer, for the last seventeen years, had passed without a good deal being done, Alister working alone when Ian was away, and the cave had now assumed notable dimensions. It was called by the people uamh an ceann, the cave of the chief, and regarded as his country house. All around it was covered with snow throughout the winter and spring, and supplied little to the need of man beyond the blessed air, and a glorious vision of sea and land, mountain and valley, falling water, gleaming lake, and shadowy cliff. Crossing the wide space where so lately they had burned the heather that the sheep might have its young shoots in the spring, the brothers stood, and gazed around with delight. "There is nothing like this anywhere!" said Ian. "Do you mean nothing so beautiful?" asked Alister.