„ Sir W. Thomson on origin of, [6], [28]
„ spheroidal, [22]
„ why of such various shapes, [19]
Nebular hypothesis, gaseous condition essential to, [2], [5]
Newcomb, Prof., on motion of 1830 Groombridge, [15]
Newlands on Periodic Law, [96]
Nova Cygni, on sudden outburst of, [33]
Objection considered, [109]
Palæozoic times, winds probably not higher than at present, [46]
Peach, Mr. B. N., on examples of enormous faults, [55]