Date of publication often questioned, but cited in Bibliographie de la France of October 16, 1830 (p. 686, nº 5513) and in Journal général de la littérature de France, 1830, issue 9, page 257; also reviewed by Férussac in Bulletin des Sciences Naturelles et de Géologie, March 1831, p. 380, with publication date stated as 1830. This paper was integrated in a collected reprint issued in 1836 as first volume of Annales de la Société Linnéenne de Lyon. A second edition was issued in 1832 (Strasbourg, Levrault), with different typesetting and additions.