IXIV CONTENTS. 



Chap. _ 



24 The doctrine of Hipparchus about the stars 5^9 



25. Examples from history of celestial prodigies; Faces' Lam- 



pades, and Bolides ^j^ 



26. Trahes C celestes ; Chasma Cceli *_' \ " gQ 



27. Of the colours of the sky and of celestial flame !.. .'. .[. ih. 



28. Of celestial coronae gV 



29. Of sudden circles [ g2 



30. Of unusually long ecHpses of the sun ... ... .*" "] \'^ H, 



31. Many suns -i 



32. Many moons f»a 



33. Dayhght in the night ,.\ __' ""' ^-j^ 



34. Burnmg shields ' ^-j 



35. An ominous appearance in the heavens, that was seeii once only ib. 



36. Ot stars winch move about in various directions 64 



37. Of the stars which are named Castor and Pollux ... ... ... ih. 



38. Of the an-, and on the cause of the showers of stones ..." .'" 65* 



39. Of the stated seasons gg 



40. Of the rising of the dog-star ..\ \\ gy 



41. Of the regular influence of the different seasons ..." "." '"' ih. 



42. Of uncertain states of the weather ' [ gg 



43. Of thunder and hghtning \ " ' ^j 



44. The origin of winds " ] /^q 



45. Various observations respecting winds ... . " '' 7l 



46. The different kinds of winds ... \\\ \ 73 



47. The periods of the winds \\ \ "' yg 



48. Nature of the winds " ' ] * ' " hh 



49. Ecnephias and Typhon ' "' ' hq 



50. Tornadoes ; blasting winds j whirlwinds, and other wonder- 



ful kinds of tempests oq 



51. Of thunder ; in what countries it does not fall, and for what 



reason ., 



^o* Su ^^ ^i^^'^ent kinds of Hghtning and their wonderful" effects 81 



b6 Ihe Etrurian and the Eoman obsei-vations on these points 82 



54. Ot conjuring up thunder ' " gg 



55. Greneral laws of Hghtning ... ..." " g^ 



56. Objects which are never struck ' . gg 



57. Showers of niHk, blood, flesh, h-on, wool^ "and baked tiles " " 87 



58. Katthng of arms and the sound of trumpets heard in the sky 88 



59. Ot stones that have fallen from the clouds. The opinion of 



Anaxagoras respecting them :x 



60. The rainbow "; ;;; ;;; ; g^ 



61. The nature of haU, snow, hoar, mist, dew ';" 'the 'form's of" clouds 90 



bz. ilie peculiarities of the weather in different places qi 



63. Nature of the earth .. ^j 



64. Of the form of the earth " ' ] qI 



65. Whether there be antipodes ? ... ... ... '[ ^^ 



66. How the water is connected with the earth, "of the naviga- 



tion of the sea and the rivers 07 



67. Whether the ocean smTOunds the earth .! ! .,, [[ 93 



