Note 2 — Chapter I · ST. JAGO, IN THE CAPE DE VERDE ARCHIPELAGO.
Reading edition
I am much indebted to Mr. E. W. Brayley in having given me the following references to papers on this subject: Faraday in the Edinburgh New Philosophical Journal, vol. xv, p. 398; Gay-Lussac in Annales de Chem. et Phys., tome lxiii, p. 219, translated in the London and Edinburgh Philosophical Magazine, vol. x, p. 496.