Ratzeburg, J. T. C. Die Forstinsekten, etc. (Theil i, Die Käfer, etc., 1837, p. 246.)
Aubé, C. Note sur une sécrétion fétide d’Eumolpus pretiosus. (Ann. Soc. Ent. Fr., 1837, i, vi; Bull., p. 58.)
Lacordaire, J. S. Introduction à l’entomologie. 1838, ii, p. 45.
Meckel, von Hemsbach, Johann Friedrich. Mikrographie einiger Drüsenapparate der niederen Thiere. (Anat. Phys. u. wiss. Med., 1846, pp. 1–73, Taf. 1–3; p. 46, Müller’s Archiv.)
Stein, Friedrich. Vergleichende Anatomie und Physiologie der Insekten. Berlin, 1847.
Leidy, Joseph. History and anatomy of the hemipterous genus Belostoma. (Journ. Acad. Nat. Sci. Philadelphia, Ser. 2, 1847, i, Part i, pp. 57–67, Pl. 1.)
—— Odoriferous glands of invertebrata. (Proc. Acad. Philadelphia, 1849, iv, 234–236, 1 Pl.; Ann. and Mag. N. H., Ser. 2, 1850, v, pp. 154–156.)
Chapuis et Candèze. Catalogue des larves des coléoptères, etc. (Mém. Soc. Sci. de Liège, 1853, viii, pp. 351–653, Pls. 1–9, pp. 611, 612.)
Siebold, Carl Theodor. Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere, 1848. (Burnett’s transl., Boston, 1854.)
Burnett, Waldo Irving. Translation of Siebold’s Anatomy of the Invertebrates, 1854. (Note on the osmeteria of Papilio asterias, which he regards as an odoriferous and defensive, rather than tactile, organ, p. 415.)