Soc.
Anthropologie_, xii., 1889, p.341.Cuvier, also, in his history of the progress of natural science for 1819, remarks: "M.

de La Marck, malgre l'affoiblissement total de sa vue, poursuit avec un courage inalterable la continuation de son grand ouvrage sur les animaux sans vertebres" (p.

406).
[42] Louis Auguste Guillaume Bosc, born in Paris, 1759; died in 1828.
Author of now unimportant works, entitled: _Histoire Naturelle des Coquilles_ (1801); _Hist.Nat.des Vers_ (1802); _Hist.Nat.

des Crustaces_ (1828), and papers on insects and plants.

He was associated with Lamarck in the publication of the _Journal d'Histoire Naturelle_.
During the Reign of Terror in 1793 he was a friend of Madame Roland, was arrested, but afterwards set free and placed first on the Directory in 1795.