Purple-throated euphonia; Euphonia chlorotica; and green-winged saltator; Saltator similis. Handcoloured copperplate stipple engraving from Antoine Jussieu's 鈥楧ictionary of Natural Science;' Florence; Italy; 1837. Illustration by J. G. Pretre; engraved by Terreni; 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. Turpin (1775-1840) is considered one of the greatest French botanical illustrators of the 19th century.