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xxiv CONTENTS.
| Chap. | Page | |
|---|---|---|
| 24. | The doctrine of Hipparchus about the stars | 1 |
| 25. | Examples from history of celestial prodigies; Faces (meteors), Lampades (torch-like meteors), and Bolides (fireballs) | 1 |
| 26. | Trabes Cœlestes (celestial beams); Chasma Cœli (gaps in the sky) | 2 |
| 27. | Of the colours of the sky and of celestial flame | 4 |
| 28. | Of celestial coronæ (halos) | 5 |
| 29. | Of sudden circles | 5 |
| 30. | Of unusually long eclipses of the sun | 6 |
| 31. | Many suns (parhelia) | 6 |
| 32. | Many moons (paraselenae) | 6 |
| 33. | Daylight in the night | 6 |
| 34. | Burning shields | 6 |
| 35. | An ominous appearance in the heavens, that was seen once only | 6 |
| 36. | Of stars which move about in various directions | 6 |
| 37. | Of the stars which are named Castor and Pollux | 6 |
| 38. | Of the air, and on the cause of the showers of stones | 6 |
| 39. | Of the stated seasons | 6 |
| 40. | Of the rising of the dog-star | 6 |
| 41. | Of the regular influence of the different seasons | 7 |
| 42. | Of uncertain states of the weather | 7 |
| 43. | Of thunder and lightning | 7 |
| 44. | The origin of winds | 7 |
| 45. | Various observations respecting winds | 7 |
| 46. | The different kinds of winds | 7 |
| 47. | The periods of the winds | 7 |
| 48. | Nature of the winds | 7 |
| 49. | Ecnephias (a sudden storm) and Typhon (a whirlwind) | 8 |
| 50. | Tornadoes; blasting winds; whirlwinds, and other wonderful kinds of tempests | 8 |
| 51. | Of thunder; in what countries it does not fall, and for what reason | 8 |
| 52. | Of the different kinds of lightning and their wonderful effects | 8 |
| 53. | The Etrurian and the Roman observations on these points | 8 |
| 54. | Of conjuring up thunder | 8 |
| 55. | General laws of lightning | 8 |
| 56. | Objects which are never struck | 8 |
| 57. | Showers of milk, blood, flesh, iron, wool, and baked tiles | 8 |
| 58. | Rattling of arms and the sound of trumpets heard in the sky | 8 |
| 59. | Of stones that have fallen from the clouds. The opinion of Anaxagoras respecting them | 8 |
| 60. | The rainbow | 9 |
| 61. | The nature of hail, snow, hoar, mist, dew; the forms of clouds | 9 |
| 62. | The peculiarities of the weather in different places | 9 |
| 63. | Nature of the earth | 9 |
| 64. | Of the form of the earth | 9 |
| 65. | Whether there be antipodes? | 9 |
| 66. | How the water is connected with the earth. Of the navigation of the sea and the rivers | 9 |
| 67. | Whether the ocean surrounds the earth | 9 |