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 

 Honorary Treasurer 

 Honorary Librarian 



Duncan C. Scott, 



C. Gordon Hewitt, D.Sc. 



D. B. Dowling, B.Sc. 



OFFICERS OF SECTION III 



President 



Vice-President 



Secretary 



Louis V. King. M.A.. D.Sc. 



A. S. Eve, D.Sc. 



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



THE TRANSACTIONS OF THE ROYAL SOCIETY OF CANADA 

 are published quarterly, in June, September, December and March, a.s 

 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 timr. Fellows 

 responsible for such papers shall forward thena 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 

 carefully 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 white 

 surface, with temporary lettering in pencil. Only essential illustrations should be submitted. 



