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| On the goatsuckers nightjars and spoonbills | Ch. 40. |
| On the ingenuity of birds | Ch. 41. |
| On the goldfinch, the parrot, and birds that speak | Ch. 42. |
| On the intelligence of crows | Ch. 43. |
| On the Diomedean birds | Ch. 44. |
| Which animals learn nothing | Ch. 45. |
| On the drinking of birds | Ch. 46. |
| On the haematopus oystercatcher, the pelican, and foreign birds | Ch. 47. |
| On the names and nature of many birds | Ch. 48. |
| On new and mythical birds | Ch. 49. |
| Who instituted the stuffing of chickens; on aviaries and who first established them | Ch. 50. |
| On Aesop's platter | Ch. 51. |
| On the generation of birds; and besides birds, which quadrupeds lay eggs | Ch. 52. |
| On the time and generation of incubation in birds and mating | Ch. 53. |
| On the faults and remedies of incubation | Ch. 54. |
| On the auguries of eggs | Ch. 55. |
| Which hens are best | Ch. 56. |
| On their diseases and remedies | Ch. 57. |
| On the conception and number of bird offspring | Ch. 58. |
| On the peacock and geese | Ch. 59. |
| On herons and how to keep eggs best | Ch. 60. |
| Which flying creatures alone give birth to a live animal and nourish it with milk | Ch. 61. |
| On the conception and birth of the viper; and which land animals lay eggs | Ch. 62. |
| On the generation of land animals | Ch. 63. |
| On the varied generation of birds | Ch. 64. |
| On the offspring of mice | Ch. 65. |
| On the spine of a man turning into a snake | Ch. 66. |
| On the salamander | Ch. 67. |
| On those things which are born from ungenerated matter, and those which, once born, beget nothing | Ch. 68. |
| On the senses of animals | Ch. 69. |
| That fish have hearing and smell | Ch. 70. |
| That touch is common to all | Ch. 71. |
| Which live on poisons and which on earth | Ch. 72. |
| On the food and drink of certain ones | Ch. 73. |
| Which are at odds and which are in harmony with each other | Ch. 74. |
| On the sleep of animals | Ch. 75. |
| Total items, histories, and observations: 724. |
Manlius, Cornelius, Valerianus, Actius, Umbritius, Meliore, Massurius, Sabinus, Antistius, Labeo, Trogus, Cremutius, M. Varro, Marcus, Aemilius, Dmissius, Mutianus, Nepos, Fabianus, Pictor, T. Lucretius, Cor. Celsus, Oratius, Delusoe, Hyginus, the Sasernas, Higidius, Manlius Sura.
Homer, Phaenomenus, Philemon, Boetus, who wrote the ornithogonia work on birds regarding auguries, Aristotle, Theophrastus, Callimachus, Aeschylus, King Hiero, King Philometor, Archytas, Amphilochus the Athenian, Anaxipolis the Thasian, Apollodorus of Lemnos, Aristophanes the Milesian, Antigonus of Cyme, Agathocles of Chios, Apollonius of Pergamum, Aristander the Athenian, Bacchius the Milesian, Boethus of Soli, Chaereas the Athenian, Diodorus of Priene, Dio of Colophon, Democritus, Diophanes of Nicaea, Epigenes the Rhodian, Evagoras the Thasian, Euphronius the Athenian, Juba, Androcion who wrote on agriculture, Ascion who did the same, Dionysius who translated Mago, Diophanes who made an epitome of Dionysius, Nicander, Onesicritus, Phylarchus, Hesiod.
| On the class of insects | Ch. 1. |
| On the subtlety of nature in these | Ch. 2. |
| Whether they breathe or have blood | Ch. 3. |
| On their bodies | Ch. 4. |
| On bees | Ch. 5. |
| What order of nature is in them | Ch. 6. |
| On the terminology of their work | Ch. 7. |
| From which flowers the work is made | Ch. 8. |
| On their lovers those who study or keep bees | Ch. 9. |
| The method of the work | Ch. 10. |
| On drones | Ch. 11. |
| What is the nature of honey | Ch. 12. |
| Which honey is best | Ch. 13. |
| What kinds of honey are in each place | Ch. 14. |
| How honey is tested | Ch. 15. |
| On the third kind of honey; and how bees are tested | Ch. 16. |
| What is the method of governance | Ch. 17. |
| On the kind of bees; and what is hostile to bees | Ch. 18. |
| On the diseases of bees | Ch. 19. |
| On keeping bees; and how they are repaired repopulated | Ch. 20. |
| On wasps and hornets | Ch. 21. |
| On silkworms, the humble-bee, the necydalus another type of silkworm; and who first discovered silk clothing | Ch. 22. |
| On Coan silk | Ch. 23. |
| On spiders and their generation | Ch. 24. |
| On scorpions | Ch. 25. |