Far up the Valley to the eastward there rose far above the rest of the sky-line, and nearly five thousand feet above the Valley, a hemisphere of granite, capping the sheer wall, without an apparent tree or shrub to hide its vast proportions. This we immediately recognized as the famous To-coy-ae, better known through Watkins's photographs as the Great North Dome. I am ignorant of the meaning of the former name, but the latter is certainly appropriate. Between Tu-toch-anula and the Dome, the wall rose here and there into great pinnacles and towers, but its sky-line is far more regular than that of the southern side, where we were standing. We drew close to the edge of the precipice and looked along over our own wall up the Valley. Its contour was a rough curve from our stand-point to a station opposite the North Dome, where the Valley dwindles to its least width, so that all the intermediate crests and pinnacles which topped the perpendicular wall stood within our vision like the teeth of a saw, clear and sharp-cut against the blue sky. There is the same plumb-line uprightness in these mighty precipices as in those of the opposite side; but their front is much more broken by bold promontories, and their tabular tops, instead of lying horizontal, slope up at an angle of forty-five degrees or more from the spot where we were standing, and make a succession of oblique prism-sections whose upper edges are between three and four thousand feet in height. But the glory of this southern wall comes at the termination of our view opposite the North Dome. Here the precipice rises to the height of nearly one sheer mile with a parabolic sky-line, and its posterior surface is as elegantly rounded as an acorn-cup. From this contour results a naked semi-cone of polished granite, whose face would cover one of our smaller Eastern counties, though its exquisite proportions make it seem a thing to hold in the hollow of the hand. A small pine-covered _glacis_ of detritus lies at its foot, but every yard above that is bare of all life save the palaeozoic memories which have wrinkled the granite Colossus from the earliest seethings of the fire-time. I never could call a Yo-Semite crag _inorganic_, as I used to speak of everything not strictly animal or vegetal. In the presence of the Great South Dome that utterance became blasphemous. Not living was it? Who knew but the _debris_ at its foot was merely the cast-off sweat and _exuviae_ of a stone life's great work-day? Who knew but the vital changes which were going on within its gritty cellular tissue were only imperceptible to us because silent and vastly secular? What was he who stood up before Tis-sa-ack and said, "Thou art dead rock!" save a momentary sojourner in the bosom of a cyclic period whose clock his race had never yet lived long enough to hear strike? What, too, if Tis-sa-ack himself were but one of the atoms in a grand organism where we could see only by monads