[32] See Phil. Mag., March, 1870, p.
[33] Captain Cook’s “Second Voyage,” vol. ii., pp. 232, 235.
[34] “Antarctic Regions,” vol. ii., pp. 345−349.
[35] Ibid., vol. i., p. 167.
[36] Ibid., vol. ii., p. 362.
[37] Edinburgh Philosophical Journal, vol. iv., p. 266.
[38] Scoresby’s “Arctic Regions,” vol. i., p. 378.
[39] Ibid., p. 425.
[40] See Meech’s memoir “On the Intensity of the Sun’s Heat and Light,” “Smithsonian Contributions,” vol. ix.
[41] “Antarctic Regions,” vol. i., p. 240.