APPENDICES.
APPENDIX A.
REFERENCES TO SOME WORKS AND ESSAYS ON THE AURORA.
(Most of these are cited in the ‘Edinburgh Encyclopædia’ and the ‘Encyclopædia Britannica.’)
Musschenbroek, Instit. Phys. c. 41.
‘Trai. Phys. et Hist. de l’Aurore Boréale,’ par M. de Mairan. Paris, 1754.
Beccaria, ‘Dell’Elettricismo Artif. e Nat.’ p. 221.
Smith’s ‘Optics,’ p. 69.
D’Alembert’s ‘Opuscules Mathématiques,’ vol. vi. p. 334.
‘Philosophical Transactions’ as under:—