[943] Comptes Rendus, t. xxii., p. 541.

[944] Phil. Trans., vol. cxlviii., p. 502.

[945] Proc. Roy. Soc., vol. xvii., p. 443.

[946] Phil. Trans., vol. clxiii., p. 623.

[947] Trans. R. Dublin Soc., vol. iii., p. 321.

[948] Science, vol. vii., p. 9.

[949] Amer. Jour. of Science, vol. xxxviii., p. 428.

[950] "The Temperature of the Moon," Memoirs National Acad. of Sciences, vol. iv., p. 193, 1889.

[951] Temperature of the Moon, p. iii.; see also App. ii., p. 206.

[952] Trans. R. Dublin Soc., vol. iv., p. 481, 1891; Rosse, Proc. Roy. Institution, May 31, 1895.