CONTENTS. 



Phllofophy — The firfl: Experimenters in Europe not Materialijls, becaufe they were 

 PhUofopbers—The Tto^tn^iiy of our Phllofophy to Mechanifm, accounts for the fa- 

 vourable Reception both of Des Cartes's Syftem and Sir I/aac Newton s — The latter 

 can ftand its Ground without the Afliftance of the A^echankal Phihfophy — All the 

 Opinions enumerated, that can poflibly be concerning the Motion of the Celejlial 

 Bodies — Firjl Opinion, that Body moves itfelf — This the Dodtrine of the /fntient 

 ■Materialijls and Jihnjh— The mod fimple of all the Hypothefes concerning the Mo- 

 tion of the Cekjiial Bodies, irreconcileable with the Compofition of their Motion fup- 

 pofed by the Newtonians — Second Hypothtiis, that the Planets are moved by Mind 

 only — This Hypothefis as fimple as the Nature of Things will permit — It admits, 

 however, of fome Variety — TA/V^ Hypothefis, that Body is the only Movino- Power 

 — admits of great Variety — i/?. It may be fuppofed that the Body in the Centre is the 

 Caufe of the Motion of the Planet — This, if true, a great Difcovery of modern 

 Times — ido. It may be fuppofed that the Planet is moved by Pulfton, both in the 

 Proje^ile &nd Centripetal Line—This Suppofition has fome Simplicity and Uniformity 

 in it — 2^ly, It may be fuppofed that the Planet is moved by Pulfion in the one Line, 

 and Trufion in the other — This Suppofition not fo fimple as the preceding — The 

 fourth Hypothefis, that the Planet is moved both by Body and Mind — This, too, 

 admits of confiderabie Variety — Thefe arc all the Opinions poflible concerning the 

 Planetary Motion — Of thefe the Reader may choofe what he likes beft. — Conclufion 

 of the Book— Summary of what the Author thinks he has proved concerning iW/W 

 and Body—'S>\K I/aac Newton's Principia, though not a Philofophical Work, furniflies 

 ample matter to ^ PhUofopber. Page ..c 



