CHAPTER 18

Pencroft now doubts nothing—The Outlet of the Lake—A subterranean Descent—The Way through the Granite—Top disappears—The central Cavern—The lower Well—Mystery—Using the Pickaxe—The Return. Cyrus Harding’s project had succeeded, but, according to his usual habit he showed no satisfaction; with closed lips and a fixed look, he remained motionless. Herbert was in ecstasies, Neb bounded with joy, Pencroft nodded his great head, murmuring these words,— “Come, our engineer gets on capitally!” The nitro-gly…