— —, balloons a means of making, D. Brewster, xlii, 150.
— — made at the equinoxes and solstices, report on the reduction of, before the British Association, 1840, xl, 311.
— — ibid, report of progress, xlii, 149.
— —, on the progress of the great coöperative system of, J. F. W. Herschel, xliii, 372.
— —, in Asia, at Canton, W. C. Redfield, xxxviii, 267, 272.
— —, —, at Singapore, 1839-1841, J. S. Travelli, xliv, 151.
— —, —, at Trevandrum, hourly, notice of, xl, 322.
— —, —, in the Ghâts of Western India, xxxviii, 103.
— —, in England, at Plymouth, hourly, notice of a report on, xlii, 149; xliii, 369.
— —, —, hourly, at Inverness and Kingussie, some deductions from, D. Brewster, xxxviii, 95; xl, 321.