2. Bruxelles, M. Hayez, imprimeur de l'Académie Royale, 1855, in-8°. Article of 20 pp published in the '' Bulletin de l' Académie Royale des Sciences , des Lettres et des Beaux-Arts de Belgique, Issue N° 5 Tome XXII, Bulletin de la Séance du 8 mai 1855 ''. Here on offer is the complete issue, as published, in original imprint. Pagination of the issue is 358-470 (with other articles). Unopened copy, sewn, with original wrapper (wrapper dustsoiled, discolored and torn, some loss of paper at backwrapper)..