Lisboa: João Rodrigues Neves, First edition (main text) and first Portuguese edition of Erasmus Darwin's Materia Medica, 1806. Small quarto. ,vii,408, pp. plus one plate. In Portuguese. 19th-century three-quarter speckled calf and marbled boards in modern library cloth clamshell box, gilt morocco labels. Backstrip perished, box worn. Early stain in title leaf and following leaf, else very clean and bright. Internally very good to near fine. Overall, good plus. The summary of the system of medicine of the Edinburgh-educated Portuguese doctor Henrique Xavier Baeta (1776-1854), with his translation of the great British physician and naturalist Erasmus Darwin's materia medica. Baeta introduces the volume with a sonnet to Darwin by Francisco Xavier Monteiro de Barros, declaring, through Darwin, Britain's final victory over France in the scientific Enlightenment. Rare, with OCLC listing seven copies. Good +.