75. Fishes which are both oviparous and viviparous 465
76. Fishes the belly of which opens in spawning, and then closes again 466
77. Fishes which have a womb; those which impregnate themselves _ib._
78. The longest lives known amongst fishes 467
79. The first person that formed artificial oyster-beds _ib._
80. Who was the first inventor of preserves for other fish 469
81. Who invented preserves for murenæ _ib._
82. Who invented preserves for sea-snails 470
85. How the fish called the anthias is taken 473
87. The marvellous properties of the dactylus 475
88. The antipathies and sympathies that exist between aquatic animals _ib._
4. The natural characteristics of the eagle 484
5. When the eagle was first used as the standard of the Roman legions 485
6. An eagle which precipitated itself on the funeral pile of a girl 486
8. The birds called sangualis and immusulus 487
10. In what places hawks and men pursue the chase in company with each other 488
11. The only bird that is killed by those of its own kind.—A bird that lays only one egg 489
14. Crows. Birds of ill omen. At what seasons they are not inauspicious _ib._
17. Birds, the race of which is extinct, or of which all knowledge has been lost _ib._
18. Birds which are born with the tail first 493
23. Who was the first to kill the peacock for food. Who first taught the art of cramming them 496
25. How cocks are castrated. A cock that once spoke 498
27. Who first taught us to use the liver of the goose for food 499
29. The chenalopex, the cheneros, the tetrao, and the otis _ib._
33. Foreign birds which visit us; the quail, the glottis, the cychramus, and the otus 503
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
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
44. The melancoryphus, the erithacus, and the phœnicurus 511