CONTENTS. 



OP THE FIRST VOLUME. 



BOOK I. 



DEDICATION. Fig« 



C. Plinius Secundus to his friend Titus Vespasian ... 1 



BOOK II. 



^j^^y AN ACCOTJNT OP THE WOBLD AND THE ELEMENTS. 



1. Whether the world be finite, and whether there be more than 



one world 13 



2. Of the fonn of the world 16 



8. Of its nature; whence the name is derived i&. 



4. Of the elements and the planets 18 



/6. Of God 20 



6. Of the nature of tlie stars ; of the motion of the planets ... 25 



7. Of the eclipses of the moon and the sun 84 



8. Of the magnitude of the stars 86 



9. An account of the observations that have been made on the 



heavens by different individuals 86 



10. On the recurrence of the echpses of the sun and the moon ... 38 



11. Of the motion of the moon 40 



12. Of the motions of the planets and the general laws of their 



aspects «i. 



13. Wliy the same stars appear at some times more lofty and at 



other times more near 42 



14. Why the same stars have different motions 47 



15. General laws of the planets 48 



16. The reason why the stars are of different colours 49 



17. Of the motion of the sun and the cause of the irregularity of 



the days 50 



18. Why thunder is ascribed to Jupiter 61 



19. Of the distances of the stars 62 



20. Of the hannony of the stars *^« 



21. Of the dimensions of the world 63 



22. Of the stars which appear suddenly, or of comets 55-*' 



23. Their nature, situation, and species 66~ 



