xxvm CONTENTS OF THE FIRST VOLUME. 



4. Greek Commentators of Plato and others . . . 291 



5. Arabian Commentators of Aristotle . . . 292 



CHAPTER III. OF THE MYSTICISM OF THE MIDDLE 



AGES 297 



1. Neoplatonic Theosophy ...... 299 



2. Mystical Arithmetic . . . 305 



3. Astrology ' 'P i .... 309 



4. Alchemy . . * '-'. . . 320 



5. Magic . . VM. f . ' . .323 



CHAPTER IV. OF THE DOGMATISM OF THE MIDDLE 

 AGES. 



1. Origin of the Scholastic Philosophy . . 328 



2. Scholastic Dogmas 333 



3. Scholastic Physics ..v 341 



4. Authority of Aristotle among the Schoolmen . . 342 



5. Subjects omitted. Civil Law. Medicine . . . 346 



CHAPTER V. PROGRESS OF THE ARTS IN THE MIDDLE 

 AGES. 



1. Art and Science ... . . 349 



2. Arabian Science . . . . . . . 355 



3. Experimental Philosophy of the Arabians . 356 



4. Roger Bacon . . . . . . . 359 



5. Architecture of the Middle Ages .... 361 



6. Treatises on Architecture 365 



BOOK V. 



HISTORY OF FORMAL ASTRONOMY AFTER THE 

 STATIONARY PERIOD. 



Introduction ....... . 375 



CHAPTER I. PRELUDE TO THE INDUCTIVE EPOCH OF 



COPERNICUS .... 379 



CHAPTER II. INDUCTION OF COPERNICUS. THE HELIO- 

 CENTRIC THEORY ASSERTED ON FORMAL GROUNDS . 388 



