Introductory material
Reading edition
La Société Linnéenne de Paris. 6 Novembre, 1823.
Lyceum of Natural History, New York. January 13, 1824.
Société d'Histoire Naturelle de Paris. 5 Decembre, 1828.
American Academy of Arts and Sciences, Massachusetts. November 10, 1830.
Royal Society of Edinburgh. March 5, 1831.
Royal Jennerian Society, London. July 15, 1836.
Literary and Historical Society of Quebec. November 19, 1836.
Western Academy of Natural Sciences, St. Louis, Mo. April 17, 1843.
Natural History Society of Montreal. March 29, 1847.