III. General Monographs.

F. Cheshire, “Bees and Bee-keeping” (vol. i., – Scientific). T. W. Cowan, “The Honey-bee.” J. Perez, “Les Abeilles.” Girard, “Manuel d’Apiculture” (“Les Abeilles, organes et fonctions”). Schuckard, “British Bees.” Kirby and Spence, “Introduction to Entomology.” Girdwoyn, “Anatomie et Physiologic de l’Abeille.” F. Cheshire, “Diagrams on the Anatomy of the Honey-bee.” Gunderach, “Die Naturgeschichte der Honig-Biene.” L. Buchner, “Geistes-leben der Thiere;” O. Butschli, “Zur Entwicklungsgeschichte der Biene.” J. D.Haviland, “The Social Instincts of Bees, their Origin and Natural Selection.”

IV. Special Monographs: Organs, Functions, Undertakings, &c.

F. Dujardin, “Mémoires 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.”