Faults, evidence of rate of denudation from, [53]

„ examples of, [54]-[60]

„ “Grand Wash,” Colorado, [58]

„ in East Tennessee, [58]

„ in Strathmore, [55]

Faye, M., on origin of comets, [17]

Gaseous condition essential to the nebular hypothesis, [25]

„ state, second condition of a nebula, [24]

Geikie, Dr. A., on area of the globe, [48]

„ on denudation of the Pentlands, [59]