35. Birds which take their departure from us, and whither they go; the thrush, the blackbird, and the starling—birds which lose their feathers during their retirement—the turtle-dove and the ring-dove—the flight of starlings and swallows _ib._ 36. Birds which remain with us throughout the year; birds which remain with us only six or three months; whitwalls and hoopoes 506 37. The Memnonides _ib._ 38. The Meleagrides 507 39. The Seleucides _ib._ 40. The ibis _ib._ 41. Places in which certain birds are never found _ib._ 42. The various kinds of birds which afford omens by their note. Birds which change their colour and their voice 509 43. The nightingale _ib._ 44. The melancoryphus, the erithacus, and the phœnicurus 511 45. The œnanthe, the chlorion, the blackbird, and the ibis _ib._ 46. The times of incubation of birds 512 47. The halcyones: the halcyon days that are favourable to navigation _ib._ 48. Other kinds of aquatic birds 513 49. The instinctive cleverness displayed by birds in the construction of their nests. The wonderful works of the swallow. The bank-swallow _ib._ 50. The acanthyllis and other birds 515 51. The merops—partridges 516 52. Pigeons 517 53. Wonderful things done by them; prices at which they have been sold 519 54. Different modes of flight and progression in birds 520 55. The birds called apodes or cypseli 521 56. Respecting the food of birds—the caprimulgus, the platea _ib._ 57. The instincts of birds—the carduelis, the taurus, the anthus 522 58. Birds which speak—the parrot _ib._ 59. The pie which feeds on acorns 523 60. A sedition that arose among the Roman people, in consequence of a raven speaking 524 61. The birds of Diomedes 526 62. Animals that can learn nothing _ib._ 63. The mode of drinking with birds. The porphyrio 527 64. The hæmatopous _ib._ 65. The food of birds _ib._