Francis Loraine Petre maintained, he used statistical information supplied by the President of Columbia. The book includes photographs that he took himself. His second book on South America was "Simon Bolivar—El Libertador; a life of the chief leader in the revolt against Spain in Venezuela, New Granada and Peru." Francis Loraine Petre Francis Loraine Petre (22 February 1852 – 6 May 1925) was a British civil servant in India and a military historian upon his retirement. He wrote a two-volume regimental history of the Norfolk Regiment, but is best known for his works on the Napoleonic Wars. The grandson of the 11th Baron
History of South America the continent of North America via the Panama Block that closed the marine Bolivar Trough, leading to the Great American Interchange, the interchange of biota from both continents. The first species discovered to have made the northward migration was "Pliometanastes", a fossil ground sloth species, roughly the size of a modern black bear. Several migrations to the Southern Hemisphere were undertaken by tougher, North American mammal carnivores; fewer species migrated in the opposite direction from south to north. The result of the intrusion of North American fauna was that hundreds of South American species became extinct in a relatively short