Jean-Jacques Rousseau Levaillant

Jean-Jacques Rousseau Levaillant is a Militaire and a Naturaliste French, born the October 5th 1790 with Cambrai and dead the January 13rd 1876.

It is one of four wire of the ornithologist François Levaillant (1753-1826), the only one which expresses an interest for the Natural history. It engages in the French Army during the wars Napoleon iennes and takes by with the Retraite of Russia, with the battles of Lützen, Bautzen and Leipzig. Captive fact in Dresden, it is held until the end of the war. Released, it takes part almost at once in the countryside of Spain of 1823 with 1828. Fact lieutenant-colonel in 1838, it leaves in Algérie where there remain ten years.

It then orders the battalion of the scientific Mission of exploration of Algeria and supervises the constitution of collections intended for the national Muséum of natural history. General fact in 1848, it returns in Europe the following year. It takes share with the head office of Rome and directs the troops of occupation of the city until in 1853. Its Natural history. Introduction to the history of the mammals and the birds of the north of Africa, or Research on the laws of the gravitation of the natural systems by the reproduction of the germs in the variable mediums appears in 1851 with Philippeville. It takes its retirement in 1854 and is withdrawn in Sézanne. It is buried close to his father.

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