[45] Read before the Royal Society, Edinburgh, 19th May 1873, and reprinted from the Proceedings R.S.E.

[46] Jour. Scot. Met. Soc., New Ser. xxvi. 35.

[47] Quoted by Mr. Milne Home.

[48] Atlas Météorologique de l’Observatoire Impérial, 1867.

[49] Comptes Rendus de l’Académie, 29th March 1869.

[50] Professor Balfour’s “Class Book of Botany,” Physiology, chap. xii., p. 670.

[51] Comptes Rendus, 1867 and 1869.

[52] See his paper.

[53] Annales de Chimie et de Physique, xlv., 1830. A more detailed comparison of the climates in question would be a most interesting and important contribution to the subject.

[54] Reviewed in the Austrian Meteorological Magazine, vol. iv.; p. 543.