Murex gyrinus, Murex lotorium, Murex cutaceus, Murice cicoria and Haustellum rock snails. Handcoloured copperplate stipple engraving from Jussieu's "Dictionary of Natural Science," Florence, Italy, 1837. Illustration by J. G. Pretre, engraved by Chiussone, directed by Pierre Jean-Francois Turpin, and published by Batelli e Figli. Jean Gabriel Pretre (1780~1845) was painter of natural history at Empress Josephine's zoo and later became artist to the Museum of Natural History.