F. Dujardin, "Memoires sur le Systeme nerveux des Insectes;" Dumas and Milne Edwards, "Sur la Production de la Cire des Abeilles;" E. Blanchard, "Recherches anatomiques sur le Systeme nerveux des Insectes;" L. R. D. Brougham, "Observations, Demonstrations, and Experiences upon the Structure of the Cells of Bees;" P. Cameron, "On Parthenogenesis in the Hymenoptera" (Transactions Natural Society of Glasgow, 1888); Erichson, "De Fabrica et Usu Antennarum in Insectis;" B. T. Lowne, "On the Simple and Compound Eyes of Insects "(Philosophical Transactions, 1879); G. K. Waterhouse, "On the Formation of the Cells of Bees and Wasps;" Dr. C. T. E. von Siebold, "On a True Parthenogenesis in Moths and Bees;" F. Leydig, "Das Auge der Gliederthiere;" Pastor Schonfeld, "Bienen-Zeitung," 1854--1883; "Illustrierte Bienen-Zeitung," 1885-1890; Assmuss, "Die Parasiten der Honig-biene." 5. Notes on Melliferous Hymenoptera: E. Blanchard, "Metamorphoses, Moeurs et Instincts des Insectes;" Vid: "Histoire des Insectes;" Darwin, "Origin of Species;" Fabre, "Souvenirs Entomologiques" (3d series); Romanes, "Mental Evolution in Animals;" id., "Animal Intelligence;" Lepeletier et Fargeau, "Histoire Naturelle des Hymenopteres;" V. Mayet, "Memoire sur les Moeurs et sur les Metamorphoses d'une Nouvelle Espece de la Famille des Vesicants" (Ann. Soc. Entom. de France, 1875); H. Muller, "Ein Beitrag zur Lebensgeschichte der Dasypoda Hirtipes;" E. Hoffer, "Biologische Beobachtungen an Hummeln und Schmarotzerhummeln;" Jesse, "Gleanings in Natural History;" Sir John Lubbock, "Ants, Bees, and Wasps;" id., "The Senses, Instincts, and Intelligence of Animals;" Walkenaer, "Les Haclites;" Westwood, "Introduction to the Study of Insects;" V. Rendu, "De l'Intelligence des Betes;" Espinas, "Animal Communities," etc. End of Project Gutenberg's The Life of the Bee, by Maurice Maeterlinck