PART THE FIFTH. 



"Of the System of the World; Of the Heavenly 



-De-dies- ; and of the Properties and Causes 



of Natural Bodies. 



CHAP. 1. 



Of the System of the JFo'rld. 



t!. ^The General Phenomena of 6. The Coperntcan. 



the Sun and Mr, -on. 7. The System of TychoBralie, 



2. Of Meicury and Verms. 8. The Hutchinsonian System. 



-3. Of the other Planets. 9. Advantages from the Rotation 



4. Of the Comets and fixed Stars. of the Eanh, 

 - 5. The Ptolemaic System, 



. H 



. AVING considered the earth, with the bodies 

 that are therein, let MS now look up to those that sur- 

 round it. The world is a congeries of innumerable 

 bodies, many ot which are supposed to equal, or 

 exceed the* size olf the earth : yet by reason of their 

 distance, most of them are invisible to the naked 

 eye. 



The nearest 'to Us is the moon, which moves round 

 the earth in sonieihin more than twenty-eight days from 

 west t( rust. The sun likewise seems to move from east 

 'to we-i, Hnd shiueb successively on all parts of the ^iobe. 



VOL. iii. L 



