Medal Pr Henry Bates Entomologist Amazon Mimicry Darwin Toucans YENCESSE

Description: 245-tir97Copper medal, from the Paris Mint (cornucopia hallmark from 1880).Minted in 1977.Beautiful black and copper patina.With its vintage beige velvet support.Engraver / Artist : Dodie YENCESSE (1928).Dimensions : 75mm.Weight : 184 g. (234 g with its support)Metal : copper .Hallmark on the edge (mark on the edge) : cornucopia + cu + 1977.Fast and careful shipping.The stand is not for sale The support is not for sale. Henry Walter Bates is a British entomologist, born February 8, 1825 in Leicester and died February 16, 1892 in London, famous for his exploration of the Amazon basin with Alfred Russel Wallace (1823-1913).BiographyBates was born in Leicester into a middle-class family. He is the eldest of four sons of a knitwear manufacturer (Henry Bates). At the age of 13, he became an apprentice to a hosier and devoted his free time to the study of insects. In 1843, he published a short article on beetles in Edward Newmann's Zoologist, and then became friends with Wallace, a professor at Leicester College, also a passionate amateur entomologist.It was thanks to reading a book by William Henry Edwards (1822-1909), A Voyage Up the River Amazon (1847) that he and Wallace decided to also explore the Amazon. This project was strongly supported by the directors of the British Museum, and, in April 1848, the two friends left Liverpool together for Brazil aboard a sailing ship. But in 1852, they separated: Wallace decided to return to England, but his ship caught fire and sank off the coast of the Guianas, causing the loss of most of his collections.During this time, Bates continued his exploration of the Amazon valley to the borders of Peru, both from the point of view of fauna, flora and geography. He reported the results of his trip in a book: The naturalist on the river Amazons, which was a huge success. A report was made in August 1863 in the Revue des deux Mondes (volume 46) under the title A naturalist under the Equator.In 1863, he provided the first confirmation of Darwin's theory of evolution by publishing an article on the theory of mimicry, The imitation by a species of other life forms or inanimate objects, where he showed that a species of Amazonian butterfly , from the subfamily Dismorphiinae, has evolved to display colors similar to that of a completely different species, from the subfamily Heliconiinae, neglected by predatory birds because of its toxicity. Bates finds similar cases of mimicry in birds and reptiles. This phenomenon is now known as Batesian mimicry or Bates mimicry.That same year, he married Sara Ann Mason. They had three sons, two of whom became farmers in New Zealand.In 1864 he became assistant secretary of the Royal Geographical Society, a position he held until his death. Suffering from dyspepsia, just like Darwin, he died of bronchitis on February 16, 1892. His butterfly collections returned to the British Museum, while his magnificent beetle collections were purchased by the French entomologist and lithographer Charles Oberthür.Henry Bates' brother was the naturalist Frederick Bates (1829-1903).Works and publicationsApart from countless articles published in several British scientific journals, such as: Proceedings of the Linnaean Society; Transactions and Proceedings of the Entomological Society; Annals of Natural History; Journal of entomology; Proceedings of the Zoological Society; The Entomologist monthly magazine; Report of the British Association for the Advancement of Science;Bates has published several books, including: The naturalist on the river Amazons (2 vols. 1863); online text [archive] from Project Gutenberg; Contributions to Insect Fauna of the Amazon Valley (London 1867); Illustrated travels, a magazine of travel, geography and adventure (4 vols. 1869); Central America, West Indies and South America (1878);He also carried outIt was thanks to reading a book by William Henry Edwards (1822-1909), A Voyage Up the River Amazon (1847) that he and Wallace decided to also explore the Amazon. This project was strongly supported by the directors of the British Museum, and, in April 1848, the two friends left Liverpool together for Brazil aboard a sailing ship. But in 1852, they separated: Wallace decided to return to England, but his ship caught fire and sank off the coast of the Guianas, causing the loss of most of his collections. In 1863, he provided the first confirmation of Darwin's theory of evolution by publishing an article on the theory of mimicry, The imitation by a species of other life forms or inanimate objects, where he showed that a species of Amazonian butterfly , from the subfamily Dismorphiinae, has ev

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End Time: 2025-02-04T08:19:12.000Z

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