11. On the Ova and Pseudova of Insects.—Transactions of the Royal Society, 1858. 12. On the Arrangement of the Cutaneous Muscles of _Pygæra Bucephala_.—Linnean Society’s Transactions, vol. xxii., 1858. 13. On the Freshwater Entomostraca of South America.—Entomological Society’s Transactions, 1858. 14. On _Coccus Hesperidum_.—Royal Society Proceedings, vol. ix., 1858. 15. On the Distribution of Tracheæ in Insects.—Linnean Society’s Transactions, vol. xxiii., 1860. 16. On the Generative Organs and on the Formation of the Egg in Annulosa. Transactions of the Royal Society, 1861. 17. On _Sphærularia Bombi._—Natural History Review, 1861. 18. On some Oceanic Entomostraca.—Linnean Society’s Transactions, vol. xxiii., 1860. 19. On the Thysanura. Part 1.—Linnean Society’s Transactions, 1862. 20. On the Development of Lonchoptera.—Entomological Society’s Transactions, 1862. 21. On the Thysanura. Part 2.—Linnean Society’s Transactions, 1862. 22. On the Development of Chloëon. Part 1.—Linnean Society’s Transactions, 1863. 23. On Two Aquatic Hymenoptera.—Linnean Society’s Transactions, 1863. 24. On some little-known Species of Freshwater Entomostraca.—Linnean Society’s Transactions, vol. xxiv., 1863. 25. On _Sphærularia Bombi_.—Natural History Review, 1864. 26. On the Development of Chloëon. Part 2.—Linnean Society’s Transactions, 1865. 27. Metamorphoses of Insects.—Journal of the Royal Institution, 1866. 28. On _Pauropus_.—Linnean Society’s Transactions, 1866. 29. On the Thysanura. Part 3.—Linnean Society’s Transactions, 1867. 30. Address to the Entomological Society.—Entomological Society’s Transactions, 1867. 31. On the Larva of Micropeplus Staphilinoides.—Entomological Society’s Transactions, 1868. 32. On the Thysanura. Part 4.—Linnean Society’s Transactions, 1869. 33. Addresses to the Entomological Society.—Entomological Society’s Transactions, 1867-1868. 34. On the Origin of Insects.—Journal of the Linnean Society, vol. xi. 35. Opening Address to the Biological Section of the British Association.—British Association Report, 1872. 36. Observations on Ants, Bees, and Wasps. Part 1.—Journal of the Linnean Society, 1873. 37. On British Wild Flowers considered in relation to Insects, 1874. 38. Observations on Ants, Bees, and Wasps. Part 2.—Journal of the Linnean Society, 1874. 39. Observations on Ants, Bees, and Wasps. Part 3.—Journal of the Linnean Society, 1875. 40. Observations on Ants, Bees, and Wasps. Part 4.—Journal of the Linnean Society, 1877. 41. On some Points in the Anatomy of Ants.—Quekett Lecture, 1877.—Microscopical Journal. 42. On the Colors of Caterpillars.—Entomological Society’s Transactions, 1878.