xxiv
CONTENTS.
| Chap. | Page | |
| 24. | The doctrine of Hipparchus about the stars | 59 |
| 25. | Examples from history of celestial prodigies; Faces, Lampades, and Bolides | ib. |
| 26. | Trabes Cælestes; Chasma Cœli | 60 |
| 27. | Of the colours of the sky and of celestial flame | ib. |
| 28. | Of celestial coronæ | 61 |
| 29. | Of sudden circles | 62 |
| 30. | Of unusually long eclipses of the sun | ib. |
| 31. | Many suns | ib. |
| 32. | Many moons | 63 |
| 33. | Daylight in the night | ib. |
| 34. | Burning shields | ib. |
| 35. | An ominous appearance in the heavens, that was seen once only | ib. |
| 36. | Of stars which move about in various directions | 64 |
| 37. | Of the stars which are named Castor and Pollux | ib. |
| 38. | Of the air, and on the cause of the showers of stones | 65 |
| 39. | Of the stated seasons | 66 |
| 40. | Of the rising of the dog-star | 67 |
| 41. | Of the regular influence of the different seasons | ib. |
| 42. | Of uncertain states of the weather | 69 |
| 43. | Of thunder and lightning | ib. |
| 44. | The origin of winds | 70 |
| 45. | Various observations respecting winds | 71 |
| 46. | The different kinds of winds | 73 |
| 47. | The periods of the winds | 75 |
| 48. | Nature of the winds | 77 |
| 49. | Ecnephias and Typhon | 79 |
| 50. | Tornadoes; blasting winds; whirlwinds, and other wonderful kinds of tempests | 80 |
| 51. | Of thunder; in what countries it does not fall, and for what reason | ib. |
| 52. | Of the different kinds of lightning and their wonderful effects | 81 |
| 53. | The Etrurian and the Roman observations on these points | 82 |
| 54. | Of conjuring up thunder | 83 |
| 55. | General laws of lightning | 84 |
| 56. | Objects which are never struck | 86 |
| 57. | Showers of milk, blood, flesh, iron, wool, and baked tiles | 87 |
| 58. | Rattling of arms and the sound of trumpets heard in the sky | 88 |
| 59. | Of stones that have fallen from the clouds The opinion of Anaxagoras respecting them | ib. |
| 60. | The rainbow | 89 |
| 61. | The nature of hail, snow, hoar, mist, dew; the forms of clouds | 90 |
| 62. | The peculiarities of the weather in different places | 91 |
| 63. | Nature of the earth | ib. |
| 64. | Of the form of the earth | 94 |
| 65. | Whether there be antipodes? | ib. |
| 66. | How the water is connected with the earth. Of the navigation of the sea and the rivers | 97 |
| 67. | Whether the ocean surrounds the earth | 98 |
