CONTENTS OF VOL. XLVII. FIFTH SERIES. Vll 



Page 



H. Poin care's Theorie du Potentiel Newtonien 573 



Dr. Elorian Cajori's History of Physics in its Ele- 

 mentary Branches, including the Evolution of Physical 



Laboratories 575 



Proceedings of the Geological Society : — 



Mr. Prank Eutley on a small Section of Felsitic Lavas 



and Tuffs near Conway (North. Wales) 575 



Mr. Joseph Thomson on the Geology of Southern 

 Morocco and the Atlas Mountains 576 



Index 577 



