THE 



Proceedings and Transactions 



OF THE 



^aba ^cattail ^ustitut^ of Science 



HALIFAX, NOVA SCOTIA 



VOLUME XV 



PART 2 

 SESSION OF 1919-1920 



HALIFAX 



Printed for the Institute dy the Royal Print and Litho Limited 

 Date of Publication: 30th June, 1923 



Price to Non-members: One Half-dollar 



