THE ROYAL SOCIETY OF CANADA 



OFFICERS FOR 1918 



President 



Hon. Rodolphe Lemieux, LL.D. 



Vice-President 



R. F. Ruttan. M.D., CM., D.Sc. 



Honorary Secretary ----- Duncan C. Scott. 



Honorary Treasurer ----- C. Gordon Hewitt, D.Sc. 



Honorary Librarian - - - - - D. B. Dowling, B.Sc. 



OFFICERS OF SECTION III 



President - - - - Louis V. King, M.A., D.Sc. 

 Vice-President - - - A. S. Eve, D.Sc. 

 Secretary - - - - F. T. Shutt. M.A.. D.Sc. 



THE TRANSACTIONS OF THE ROYAL SOCIETY OF CANADA 

 are published quarterly, in June, September, December and March, as 

 follows: 



Sections I and II. — Littérature française. Histoire, Archéologie, etc.; English 

 Literature, History, Archaeology, etc. 



Section III. — Mathematical, Physical and Chemical Sciences. 



Section IV. — Geological and Biological Sciences. 



NOTICE TO CONTRIBUTORS. 



Authors who are not Fellows of the Society may communicate papers through Fellows at any time. Fellows 

 responsible for such papers shall forward them to the Honorary Secretary. Ottawa. MSS. must be typewritten or 

 written in a legible hand and carefully prepared as copy for press. Typewritten transcript should always be care- 

 fully revised before submittal. All drawings, diagrams or other illustrations should be sent in a state suitable for 

 direct photographic reproduction; they should be drawn on a large scale in Indian ink on a smooth while surface. 

 %nth temporary lettering in pencil. Only essential illustrations should be submitted. 



