460 NOTES AND REFERENCES. 



PAGE 



100. B. STEWART, Conservation of Energy, pp. 129, 144. 



101. GROVE, Other Forces produced by Light, and Influence of 



Light on the Polarised Electrode (Experimental Investigations, 

 p. 406). 



SOMERVILLE (Mrs.), On the Magnetising Power of the more Re- 

 frangible Solar Rays (Phil. Trans. 1826, p. 132). 



MORICHINI'S experiments are given in Mrs. Somerville's paper, 



1 02. HERSCHEL, On the Absorption of Light in Coloured Media 



viewed in connection with the Undulatory Theory (Phil. Mag. 

 December 1833). 



TYNDALL, Proc. R. I., vol. iv. p. 491. 



SEEBECK, Heat of Coloured Rays (Brewster's Optics, p. 90). 



103. KNOBLAUCH (Ann. de Ch., vol. xxxvi. p. 124, and Pogg. Ann., 



there referred to). 



104. HERSCHEL, Epipolised Light (Phil. Trans., vol. cxxxv. pp. 143, 



H7)- 



STOKES, Change in Refrangibility of Light (Phil. Trans., vols. 

 cxlii. cxliii.) 



1 08. For the first enunciations of the Corpuscular and Undulatory 

 Theories, see NEWTON'S Optics, HOOKE'S Micographia, and 

 HUYGHEN'S Tractatus de Lumine. See also BREWSTER'S 

 Optics, p. 138. 



109. YOUNG, Lectures edited by Kelland, p. 359 et seq. ; Phil. 



Trans. 1800, p. 126 ; HERSCHEL, Encyc. Metrop., art. Light, 

 pp. 450 and 738 j NEWTON'S Optics, p. 322 ; WHEWELL'sHist. 

 Indue. Sc., vol. ii. p. 449 ; FOUCAULT, Comptes rendus, Paris, 

 1850, p. 65 ; HARRISON, Phil. Mag., November 1856; Camb. 

 Phil. Trans. 



in. SONDHAUSS, Refraction of Sound (Ann. de Ch. et de Phys., 

 vol. xxxv. p. 505) j DOVE, Polarisation of Sound (Cosmos, 

 May 13, 1859). 



112. GROVE, Exp. Investns., 336. 



TYNDALL, Phil. Trans. 1861, 1862, 1864. 



117. PASTEUR, Rotation of Plane of Polarised Light by Solutions 

 of Hemihedral Crystals (Ann. de Ch. et de Phys., vol. xxiv. 

 p. 442. 



119. COMTE, Cours de Philosophic Positive, vol. ii. p. 409. 



