Saint-Hillaire, Isidore Geoffroy


(December 16, 1805 – November 10, 1861) French zoologist. He created the term 'ethology', which is the branch of zoology consisting of studying animals in their natural habitats. In 1832-1837 Saint-Hilaire published his most famous work, Histoire générale et particulière des anomalies de l'organisation chez l'homme et les animaux (General and Particular History of Structural Monstrosities in Man and Animals). In it, he introduced the term teratology for the study of congenital abnormalities in animals.

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