Chapter 5 THE CLIMATE of Pellucidar is almost eternally Spring-like; and therefore the apparel of the inhabitants of this inner world is scant, being seldom more than a loin-cloth and sandals. The atmosphere near the surface is slightly denser than that of the outer crust because of centrifugence; but for the same reason it is much shallower than that of the exterior of the globe, with the result that it is extremely cold upon the heights of the higher mountains; so you may well imagine that Zor and I did not linger long in the snows of the upper levels. He had crossed the mountains by this same pass when he had come out of the Valley of the Jukans; so we were not delayed by the necessity for searching out a crossing. The sun beat down upon us out of a clear sky; but it was still inten