—, —, talcose slate, the rock of, A. Eaton, xviii, 50.
—, heights of several mountains in, with remarks on their features, (Table Mountain, Roan, Black, Grandfather, Yeates's Knob, Pilot,) E. Mitchell, xxxv, 377.
—, temperature of wells and springs, xxxv, 379.
North magnetic pole, revolution of, around the north pole of the earth, xxix, 352.
North pole and northwest passage, i, 101.
Northern Antiquaries, Society of, xlii, 214.
Northern lights, see [Aurora Borealis.]
Northwest passage, and Greenland ice, i, 101.
— —, I. Lea, x, 138.