THE 



Prooeedings a«d Transactions 



OF TUJU 



^oba <§i:otian institute of ^rience, 



HALIFAX, NOVA SCOTIA. 



VOLUME XIII 



PAKT 3 

 SESSION OF I9I2-I9I3 



HALIFAX: 

 Priijted fob the Institute by Royal Print & Litho, Ltd. 

 Date of Publication: — 3 April, 1915. 



Price to Non-Members: One Hali^Dollab 



