„ in four groups, [81]
„ motion not accounted for by gravitation, [105]
„ motion not due to their mutual attractions, [14]
„ motion of, how in straight lines, [14]
„ sudden outbursts of, [33]
Stoney, Dr. G. Johnstone, on the pre-nebular condition of matter, [99]
Subaërial denudation, method of estimating rate of, [39], [47]
Sun, age of heat of, [34]
Sun’s heat, age of, according to Geology, [37]