Death of Louis Pierre Vieillot Christian Ludwig Brehm publishes Handbuch der Naturgeschichte alle Vögel Deutschlands Second voyage of HMS Beagle commences Adolphe Delattre makes the first of several trips to South America. Johann Friedrich von Brandt appointed director of the Zoological Department at the St Petersburg Academy of Sciences Nicholas Aylward Vigors describes the great Indian bustard "Maison Deyrolle" established in Paris.