Born: March 13, 1720, Geneva Died May 20, 1793. A Swiss naturalist, lawyer, and philosopher from Geneva. He first studied insects, and in 1745 proved parthenogenesis in aphids through experiments, observed the regeneration of earthworms, snails, and hydras, and discovered that butterflies breathe through spiracles. Due to impaired eyesight, he switched to studying plant physiology around 1750, and conducted research on photosynthesis, epiphytic growth of leaves, and sap movement. After he became blind, he devoted himself to constructing theories. At the time, the preformation theory was dominant, and the findings of aphid parthenogenesis supported it. However, he developed a unique theory of development because he needed to explain the phenomenon of regeneration. He was also the first to use the word "evolution" as a biological term. However, he did not believe that species can change, and explained the birth and extinction of species by natural disasters. His major works include Traité d'insectologie (2 volumes, 1745), Considération sur les corps organisés (2 volumes, 62), and Palingénésie philosophique (69). Bonnet |
[生]1720.3.13. ジュネーブ [没]1793.5.20. ジュネーブ スイスの博物学者,法律家,哲学者。初め昆虫を研究対象として,1745年アリマキの単為生殖を実験によって証明し,ミミズ,カタツムリ,ヒドラの再生を観察し,またチョウが気門によって呼吸することを発見した。視力障害のためもあって,50年頃より植物の生理に関する研究に転じ,光合成,葉の上偏生長,樹液の移動などについて研究を行なった。失明してから理論の構築に専心。当時,前成説が支配的であり,アリマキの単為生殖の知見はそれを支持するものであった。しかし,再生現象をも説明する必要から,独特の発生理論を立てた。また,生物学の用語として初めて「進化」という言葉を使用した。ただし,種が変りうるものとは考えておらず,種の新生や消滅を天変地異によって説明している。主著『昆虫学』 Traité d'insectologie (2巻,1745) ,『有機体についての考察』 Considération sur les corps organisés (2巻,62) ,『哲学的新生説』 Palingénésie philosophique (69)。 ボネ
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