VIU CONTENTS 



PAGE 



The Celestial Movers in Medieval Physics 150 



By James A. Weisiieipl, O.P., Ph.D., D.Phil. (River For- 

 est, 111.) 



Gravitational Motion according to Theodoric of Freiberg 191 



By William A. Wallace, O.P., Ph.D., S.T.D. (Dover, 

 Mass.) 



' Mining All Within ': Clarke 's Notes to Rohault's Traite de 



Physique 217 



By Michael A. Hoskin, Ph.D. (Cambridge Univ., Eng- 

 land) 



PART THREE 

 PHILOSOPHY OF SCIENCE 



Darwin's Dilemma 231 



By Charles DeKoninck, Ph.D. (Universite Laval, 

 Quebec) 



4)Y5I2: The Meaning of Nature in the Aristotelian Philos- 

 ophy of Nature 247 



By Sheilah O'Flynn Brennan, Ph.D. (St. Mary's Col- 

 lege, Notre Dame) 



Order in the Philosophy of Nature 266 



By Melvin Glutz, C.P., Ph.D. (Passionist Monastery, 

 Chicago) 



Motionless Motion 283 



By Roman A. Kocourek, Ph.D. (College of St. Thomas, 

 St. Paul) 



Time, The Measure of Movement 295 



By Sister M. Jocelyn, O.P., Ph.D. (Rosary College, River 

 Forest) 



