[Lamarck's teaching on invertebrates at Paris's National Museum of Natural History between 1795-1823].

Lamarck's teaching attracted nearly a thousand students. At least forty of them were (or became) pharmacists. Many practised in chemist's or military dispensaries. Some were known as scientists, either chemists (Braconnot, Duspasquier, Macaire), botanists (Bonnemaison, Nestler, Robert) or naturalists and travellers (Aucher-Elroy, Fontanier). Further research is necessary to elucidate the role of these pharmacists in the diffusion of scientific ideas, chiefly the transformists ones, during the nineteenth century.